{"id":20389,"date":"2026-08-20T09:01:25","date_gmt":"2026-08-20T09:01:25","guid":{"rendered":"https:\/\/dianapps.com\/blog\/?p=20389"},"modified":"2026-08-20T09:01:43","modified_gmt":"2026-08-20T09:01:43","slug":"flow-vs-apex-in-salesforce","status":"publish","type":"post","link":"https:\/\/dianapps.com\/blog\/flow-vs-apex-in-salesforce\/","title":{"rendered":"Flow vs Apex in Salesforce: When to Use Each and Why"},"content":{"rendered":"<p><b>Key Takeaways:<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use Flow for straightforward, admin-maintained automation, especially record updates, notifications, routing, and branching.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use Apex when Flow reaches its limits, particularly for complex collection processing, advanced callouts, transaction control, and high-volume workloads.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Before-save Flow is the preferred choice for same-record updates, while complex, high-volume logic generally belongs in Apex.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The best architecture often combines Flow and Apex, keeping complex, reusable logic in invocable Apex while allowing admins to manage the surrounding business process in Flow.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u201cClicks not code\u201d is good advice that gets applied badly.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Taken literally, it produces sprawling Flows doing work Apex should handle. Ignored entirely, it produces triggers doing work an admin could have built in an afternoon and maintained for years afterwards.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The useful version of this question isn\u2019t \u201cwhich is better\u201d; rather, it\u2019s who maintains this in two years and what Flow genuinely does not do.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This guide answers both and corrects something most comparisons get wrong about the order of execution.<\/span><\/p>\n<blockquote><p><b>Quick Answer:<\/b><span style=\"font-weight: 400;\"> Use before-save Flow for same-record field updates, it\u2019s roughly 10\u00d7 faster than the alternative and costs no DML. Use Flow for related records notifications, routing and branching. Use Apex for complex collection processing, callouts with retry logic, transaction control and volumes above 50,000 records. Use both, invocable Apex called from a Flow, when logic is complex but an admin still needs to adjust the process around it.<\/span><\/p><\/blockquote>\n<h2><b>Where Each Actually Sits in the Order of Execution<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Most comparisons say \u201cFlows run before Apex triggers.\u201d That\u2019s only true for before-save flows, and getting it wrong causes real bugs.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20401\" src=\"https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_05_46-PM.webp\" alt=\"Where Flow and Apex actually sit in the order of execution\" width=\"1672\" height=\"941\" srcset=\"https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_05_46-PM.webp 1672w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_05_46-PM-1024x576.webp 1024w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_05_46-PM-768x432.webp 768w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_05_46-PM-1536x864.webp 1536w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_05_46-PM-640x360.webp 640w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_05_46-PM-400x225.webp 400w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/p>\n<p><i><span style=\"font-weight: 400;\">Order of execution showing before-save flow, before trigger, validation rules, record save, after trigger, after-save flow, then workflow rules and roll-ups<\/span><\/i><\/p>\n<p><b>Three Consequences Worth Internalising:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">A before-save Flow can set a value your before-trigger then reads; that\u2019s a clean division of labour. Flow handles simple assignments, Apex handles complex logic, provided you document it. Undocumented, it\u2019s the source of \u201cwhere is this field being set?\u201d<\/span><\/p>\n<p><span style=\"font-weight: 400;\">After-save Flows run after after-triggers, and since Spring \u201922 (API 54.0 and later) they run before workflow rules. That change brought Flow into line with Apex triggers and stopped workflows overwriting values Flows had just set.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Roll-up summaries recalculate after after-triggers fire. If your trigger reads a parent\u2019s roll-up field, it sees the pre-update value. Defer the read to a Queueable or Platform Event if you need the recalculated number.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">And you can now explicitly control Flow order, set trigger order values from 1 to 1,000, and set the sequence of flows sharing the same trigger and object. They always respect the overall order of execution &#8211; you can make one after-save flow run before another but never before a before-save flow or an Apex trigger.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Related: <\/span><a href=\"https:\/\/dianapps.com\/blog\/the-ultimate-guide-to-salesforce-flow\/\"><span style=\"font-weight: 400;\">Salesforce Flow guide<\/span><\/a><span style=\"font-weight: 400;\"> \u00b7 <\/span><a href=\"https:\/\/dianapps.com\/blog\/apex-programming-guide\/\"><span style=\"font-weight: 400;\">Apex programming guide<\/span><\/a><\/p>\n<h2><b>What Flow Genuinely Cannot Do<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20400\" src=\"https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_07_36-PM.webp\" alt=\"What flow genuinely cannot do\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_07_36-PM.webp 1536w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_07_36-PM-1024x683.webp 1024w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_07_36-PM-768x512.webp 768w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_07_36-PM-640x427.webp 640w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_07_36-PM-400x267.webp 400w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p><i><span style=\"font-weight: 400;\">Eight things Flow either cannot do or does materially worse than Apex, including complex collection processing, callouts with retry, transaction control, and batch processing<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">Everything outside this list is a preference argument. These are the hard boundaries.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Complex Collection Processing:<\/b><span style=\"font-weight: 400;\"> Sorting, deduplicating, multi-level grouping. Flow\u2019s collection tools handle simple filtering well but run out of steam beyond that.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Callouts With Real Error Handling:<\/b><span style=\"font-weight: 400;\"> Flow can make a callout. It can\u2019t implement exponential backoff, conditional retry, or partial-failure recovery.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Transaction Control:<\/b><span style=\"font-weight: 400;\"> No savepoints, no partial rollback, no <\/span><span style=\"font-weight: 400;\">Database.update(records, false)<\/span><span style=\"font-weight: 400;\"> equivalent for allowing good records through while capturing failures.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Volume Above The Scheduled Flow Ceiling:<\/b><span style=\"font-weight: 400;\"> Batch Apex processes up to 50 million records with limits resetting per chunk. Nothing declarative reaches that.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Reusable Logic Callable From Anywhere:<\/b><span style=\"font-weight: 400;\"> An invocable Apex method serves Flow, LWC, the API, and Agentforce agent actions from one implementation. Flow logic is reusable only by other Flows.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Meaningful Version Control:<\/b><span style=\"font-weight: 400;\"> Flow metadata is XML that diffs almost unreadably. Reviewing a Flow change in a pull request means opening the Flow, not reading the diff. See <\/span><a href=\"https:\/\/dianapps.com\/blog\/salesforce-devops-guide\/\"><span style=\"font-weight: 400;\">Salesforce DevOps<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>Performance: The Numbers That Matter<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Before-save vs after-save is the biggest single performance lever in Flow &#8211; and it\u2019s a Flow-vs-Flow decision, not Flow vs Apex. A before-save Flow updating fields on the triggering record writes them as part of the same save, consuming no additional DML. The after-save equivalent costs a full extra DML operation, which is why the before-save version is commonly cited as around 10\u00d7 faster.<\/span><\/p>\n<p><b>Against Apex, the picture is more nuanced than either camp claims:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">For simple field updates, before-save Flow and a before-trigger are close enough that the difference rarely matters.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">For complex logic at volume, Apex wins: no interpretation overhead and full control over how collections are handled.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">For anything with nested iteration, Apex wins clearly. Flow loops are expensive, and a Get Records inside a Flow loop causes the same governor limit failures as SOQL in an Apex loop.<\/span><\/li>\n<\/ul>\n<p><b>The Trap Nobody Mentions:<\/b><span style=\"font-weight: 400;\"> A Flow that performs well in isolation contributes to a shared transaction budget. Your Flow\u2019s queries, your trigger\u2019s queries, and every other automation on that object draw from the same 100 SOQL and 150 DML allowance. See\u00a0 <\/span><a href=\"https:\/\/dianapps.com\/blog\/salesforce-governor-limits\/\"><span style=\"font-weight: 400;\">Salesforce governor limits<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><b>Bulk Behaviour<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Record-triggered Flows are bulkified automatically for the records in the trigger batch, a genuine improvement over Process Builder.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">But that doesn\u2019t make them bulk-safe. The Get Records or Update Records element inside a Flow loop issues one query or DML per iteration, exactly like SOQL in an Apex loop. It\u2019s the single most common cause of Flow limit failures, and Flow Builder won\u2019t warn you.<\/span><\/p>\n<p><b>The Flow Equivalent Of Bulkification:<\/b><span style=\"font-weight: 400;\"> Get all the records you need in one Get element outside the loop, use collection variables, and perform one Update after the loop.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Apex gives you more control here, not better defaults; a badly written trigger fails just as fast &#8211; the difference is that a code review can catch it and static analysis tools like PMD will flag it automatically.<\/span><\/p>\n<h2><b>Testing and Governance<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">This is where the gap is widest, and it\u2019s rarely discussed honestly.<\/span><\/p>\n\n<table id=\"tablepress-266\" class=\"tablepress tablepress-id-266\">\n<thead>\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><\/td><th class=\"column-2\">Flow<\/th><th class=\"column-3\">Apex<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Testing required to deploy<\/td><td class=\"column-2\">No<\/td><td class=\"column-3\">Yes - 75% coverage<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Automated test tooling<\/td><td class=\"column-2\">Flow Tests<\/td><td class=\"column-3\">Apex test framework<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Static analysis<\/td><td class=\"column-2\">Lightning Flow Scanner<\/td><td class=\"column-3\">PMD \/ Apex Code Analyzer<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Code review<\/td><td class=\"column-2\">Open the Flow to review it<\/td><td class=\"column-3\">Readable diff in the PR<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Can be built directly in production<\/td><td class=\"column-2\">Yes<\/td><td class=\"column-3\">No<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">Who typically owns it<\/td><td class=\"column-2\">Admin<\/td><td class=\"column-3\">Developer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-266 from cache -->\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">\u201cYou can build a Flow directly in production\u201d is the governance problem in one line. Nothing prevents it, plenty of orgs do it, and it\u2019s how automation appears that nobody reviewed, tested, or documented.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Flow Tests exist and let you save and re-run test configurations against record-triggered Flows. They\u2019re genuinely useful, and almost nobody uses them, precisely because nothing forces the issue.<\/span><\/p>\n<p><b>If You Take One Governance Action:<\/b><span style=\"font-weight: 400;\"> Require Flows to move through source control and a sandbox like Apex does and run Lightning Flow Scanner in your pipeline. It catches DML in loops, missing fault paths, hardcoded IDs, and unsafe run contexts.<\/span><\/p>\n<h2><b>The Hybrid: Invocable Apex<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The best answer is often both.<\/span><\/p>\n<pre class=\"theme:github nums:false lang:default decode:true\">public class DiscountCalculator {\r\n\u00a0 \u00a0 @InvocableMethod(label='Calculate Tiered Discount'\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 description='Applies volume-based discount rules')\r\n\u00a0 \u00a0 public static List&lt;Decimal&gt; calculate(List&lt;Id&gt; opportunityIds) {\r\n\u00a0 \u00a0 \u00a0 \u00a0 \/\/ complex logic lives here, in code, tested\r\n\u00a0 \u00a0 \u00a0 \u00a0 return new List&lt;Decimal&gt;();\r\n\u00a0 \u00a0 }\r\n}<\/pre>\n<p><span style=\"font-weight: 400;\">That method now appears as an action in Flow Builder. An admin builds and adjusts the process around it; a developer owns the complex calculation inside it.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>This Is The Pattern That Resolves Most Flow-Vs-Apex Arguments:<\/b><span style=\"font-weight: 400;\"> The logic that needs testing and precision lives in Apex. The process which changes as the business changes lives in Flow, where the person who understands the business can maintain it.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>It Also Future-Proofs The Logic<\/b><span style=\"font-weight: 400;\">: The same invocable method is callable from Agentforce agent actions and from Lightning Web Components without rewriting anything.<\/span><\/li>\n<\/ul>\n<div style=\"background: #EEF2FE; border: 1px solid #DBE2FB; border-radius: 14px; padding: 28px 32px; margin: 38px 0;\">\n<h4 style=\"color: #1b3fae; font-size: 22px; line-height: 1.3; font-weight: bold; margin: 0 0 10px;\"><span style=\"font-weight: 400;\"><b>Bring Clarity to Your Salesforce Automation<\/b><\/span><\/h4>\n<p style=\"color: #4b5563; font-size: 16px; line-height: 1.6; margin: 0 0 22px;\"><span style=\"font-weight: 400;\">Get expert help mapping complex Flows and Apex, consolidating overlapping automation, and designing a cleaner architecture that scales.<\/span><\/p>\n<p><a style=\"display: inline-block; background: #2563EB; color: #ffffff; text-decoration: none; font-size: 15px; font-weight: 600; padding: 13px 26px; border-radius: 8px;\" href=\"https:\/\/dianapps.com\/salesforce-development-services\">Salesforce Development Services\u00a0\u2192<\/a><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<h2><b>The Decision Matrix<\/b><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-20399\" src=\"https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_09_49-PM.webp\" alt=\"Flow, Apex, or both? Explained using a scenario\" width=\"1536\" height=\"1024\" srcset=\"https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_09_49-PM.webp 1536w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_09_49-PM-1024x683.webp 1024w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_09_49-PM-768x512.webp 768w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_09_49-PM-640x427.webp 640w, https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/ChatGPT-Image-Aug-20-2026-01_09_49-PM-400x267.webp 400w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<p><i><span style=\"font-weight: 400;\">Scenario matrix showing when to use Flow, when to use Apex, and when to use both, with the reason for each.<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">The question that settles most cases is who maintains this in two years?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If the answer is an admin, build it declaratively, even when code would be marginally faster to write today. An admin who can adjust their own automation ships changes in hours. The same change routed through a developer backlog takes weeks.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If the answer is a developer or if nobody can articulate the answer, that\u2019s a governance gap worth fixing before you write anything.<\/span><\/p>\n<h2><b>Total Cost of Ownership<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Rate cards make Flow look obviously cheaper; the full picture is less clear-cut.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Flow Costs Less To Build<\/b><span style=\"font-weight: 400;\">: Admin rates rather than developer rates and faster for straightforward automation.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Flow Can Cost More To Maintain At Scale:<\/b><span style=\"font-weight: 400;\"> Fifteen overlapping Flows on one object, none documented, none tested, several built directly in production, is a genuinely expensive situation to untangle, and it\u2019s common.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Apex Costs More To Build And Less To Review:<\/b><span style=\"font-weight: 400;\"> Tests are mandatory, diffs are readable, static analysis is mature, and the next developer can understand it from the code.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>The Deciding Factor Is Usually Team Composition, Not The Technology:<\/b><span style=\"font-weight: 400;\"> An org with three admins and no developer should push Flow as far as it goes. An org with a development team and mature DevOps gets more value from Apex for anything non-trivial.<\/span><\/li>\n<\/ul>\n<div style=\"background: #EEF2FE; border: 1px solid #DBE2FB; border-radius: 14px; padding: 28px 32px; margin: 38px 0;\">\n<h4 style=\"color: #1b3fae; font-size: 22px; line-height: 1.3; font-weight: bold; margin: 0 0 10px;\"><span style=\"font-weight: 400;\"><b>Need Experienced Salesforce Developers? <\/b><\/span><\/h4>\n<p style=\"color: #4b5563; font-size: 16px; line-height: 1.6; margin: 0 0 22px;\"><span style=\"font-weight: 400;\">Add skilled Salesforce developers to your team for Apex development, Flow optimization, automation cleanup, and ongoing platform improvements.<\/span><\/p>\n<p><a style=\"display: inline-block; background: #2563EB; color: #ffffff; text-decoration: none; font-size: 15px; font-weight: 600; padding: 13px 26px; border-radius: 8px;\" href=\"https:\/\/dianapps.com\/hire-salesforce-developers\">Hire Salesforce Developers\u00a0\u2192<\/a><\/p>\n<\/div>\n<p><span style=\"font-weight: 400;\">Related: <a href=\"https:\/\/dianapps.com\/blog\/custom-salesforce-development-benefits\/\">Salesforce development cost<\/a> \u00b7 Admin vs developer vs architect<\/span><\/p>\n<h2><b>Where to Go Next<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">For building declaratively, see the <\/span><a href=\"https:\/\/dianapps.com\/blog\/the-ultimate-guide-to-salesforce-flow\/\"><span style=\"font-weight: 400;\">Salesforce Flow guide<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><span style=\"font-weight: 400;\">Flow Orchestration<\/span><span style=\"font-weight: 400;\"> for multi-user processes.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For the code side, see the <\/span><a href=\"https:\/\/dianapps.com\/blog\/apex-programming-guide\/\"><span style=\"font-weight: 400;\">Apex programming guide<\/span><\/a><span style=\"font-weight: 400;\"> and <\/span><a href=\"https:\/\/dianapps.com\/blog\/salesforce-governor-limits\/\"><span style=\"font-weight: 400;\">Governor limits<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For what can be built without code at all, <\/span><span style=\"font-weight: 400;\">Salesforce Low-Code Development<\/span><span style=\"font-weight: 400;\"> and <\/span><span style=\"font-weight: 400;\">Configuration Vs Customization<\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For governing either safely, <\/span><a href=\"https:\/\/dianapps.com\/blog\/salesforce-devops-guide\/\"><span style=\"font-weight: 400;\">Salesforce DevOps<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><a href=\"https:\/\/dianapps.com\/blog\/salesforce-development-guide\/\"><span style=\"font-weight: 400;\">Complete Salesforce Development Guide<\/span><\/a><span style=\"font-weight: 400;\"> is the hub.<\/span><\/p>\n<h2><b>When the Answer Is \u201cBoth but Not Like That\u201d<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The orgs we\u2019re called into rarely have a Flow-versus-Apex problem. They have fifteen automations on one object, built by four people over six years, where nobody can say what fires when and every change breaks something unrelated.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That\u2019s not solved just by picking a side; it\u2019s solved by mapping what runs, consolidating what overlaps, and drawing a clear line about what belongs in code and what belongs in Flow.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">We\u2019re a certified Salesforce Consulting Partner, and automation remediation is routine work for our team.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">We\u2019re a certified Salesforce Consulting Partner, and <a href=\"https:\/\/dianapps.com\/salesforce-development-services\">Salesforce Development Services<\/a> are often part of this remediation work, from mapping automation dependencies and consolidating overlapping Flows to refactoring complex logic into maintainable Apex.<\/span><\/p>\n<div style=\"background: #EEF2FE; border: 1px solid #DBE2FB; border-radius: 14px; padding: 28px 32px; margin: 38px 0;\">\n<h4 style=\"color: #1b3fae; font-size: 22px; line-height: 1.3; font-weight: bold; margin: 0 0 10px;\"><span style=\"font-weight: 400;\"><b>Not Sure Where Flow Should End, and Apex Should Begin? <\/b><\/span><\/h4>\n<p style=\"color: #4b5563; font-size: 16px; line-height: 1.6; margin: 0 0 22px;\"><span style=\"font-weight: 400;\">Tell us about your automation challenges, and we\u2019ll help you identify what belongs in Flow, what needs Apex, and where your architecture can improve.<\/span><\/p>\n<p><a style=\"display: inline-block; background: #2563EB; color: #ffffff; text-decoration: none; font-size: 15px; font-weight: 600; padding: 13px 26px; border-radius: 8px;\" href=\"https:\/\/dianapps.com\/contact\">Talk to Our Salesforce Team \u2192<\/a><\/p>\n<\/div>\n<style>.elementor-20391 .elementor-element.elementor-element-2932a52{text-align:left;}.elementor-20391 .elementor-element.elementor-element-2932a52 > .elementor-widget-container{margin:0px 0px 0px 0px;}.elementor-20391 .elementor-element.elementor-element-0b767d1 .elementor-tab-title{border-width:1px;border-color:#00000014;}.elementor-20391 .elementor-element.elementor-element-0b767d1 .elementor-tab-content{border-width:1px;border-bottom-color:#00000014;}.elementor-20391 .elementor-element.elementor-element-0b767d1 > .elementor-widget-container{margin:0px 0px 0px 0px;}<\/style><div class=\"porto-block elementor elementor-20391\">\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-27707ca elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"27707ca\" data-element_type=\"section\">\r\n\t\t\t\r\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\r\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0163611\" data-id=\"0163611\" data-element_type=\"column\">\r\n\r\n\t\t\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-03a2969 elementor-widget elementor-widget-text-editor\" data-id=\"03a2969\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.14.0 - 26-06-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2932a52 elementor-widget elementor-widget-heading\" data-id=\"2932a52\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.14.0 - 26-06-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-large\">FAQs <\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b767d1 elementor-widget elementor-widget-toggle\" data-id=\"0b767d1\" data-element_type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.14.0 - 26-06-2023 *\/\n.elementor-toggle{text-align:left}.elementor-toggle .elementor-tab-title{font-weight:700;line-height:1;margin:0;padding:15px;border-bottom:1px solid #d5d8dc;cursor:pointer;outline:none}.elementor-toggle .elementor-tab-title .elementor-toggle-icon{display:inline-block;width:1em}.elementor-toggle .elementor-tab-title .elementor-toggle-icon svg{-webkit-margin-start:-5px;margin-inline-start:-5px;width:1em;height:1em}.elementor-toggle .elementor-tab-title .elementor-toggle-icon.elementor-toggle-icon-right{float:right;text-align:right}.elementor-toggle .elementor-tab-title .elementor-toggle-icon.elementor-toggle-icon-left{float:left;text-align:left}.elementor-toggle .elementor-tab-title .elementor-toggle-icon .elementor-toggle-icon-closed{display:block}.elementor-toggle .elementor-tab-title .elementor-toggle-icon .elementor-toggle-icon-opened{display:none}.elementor-toggle .elementor-tab-title.elementor-active{border-bottom:none}.elementor-toggle .elementor-tab-title.elementor-active .elementor-toggle-icon-closed{display:none}.elementor-toggle .elementor-tab-title.elementor-active .elementor-toggle-icon-opened{display:block}.elementor-toggle .elementor-tab-content{padding:15px;border-bottom:1px solid #d5d8dc;display:none}@media (max-width:767px){.elementor-toggle .elementor-tab-title{padding:12px}.elementor-toggle .elementor-tab-content{padding:12px 10px}}.e-con-inner>.elementor-widget-toggle,.e-con>.elementor-widget-toggle{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1201\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1201\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">When should I use Flow instead of Apex?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1201\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1201\"><p><span style=\"font-weight: 400;\">When the logic is record-triggered, linear or lightly branching and an admin will maintain it. Field updates, creating related records, sending notifications, routing, and approval processes are all comfortably within Flow\u2019s range and don\u2019t justify code.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1202\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1202\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Is Flow slower than Apex?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1202\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1202\"><p><span style=\"font-weight: 400;\">For simple field updates, the difference rarely matters, and a before-save Flow is roughly 10\u00d7 faster than an after-save Flow doing the same job. For complex logic at volume, particularly anything with nested iteration, Apex is meaningfully faster.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1203\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1203\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Do Flows run before or after Apex triggers?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1203\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1203\"><p><span style=\"font-weight: 400;\">Both, depending on type. Before-save Flows run before before-triggers. After-save Flows run after after-triggers, and since Spring \u201922 they run before workflow rules. The blanket claim that \u201cFlows run before triggers\u201d is only half correct.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1204\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1204\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Can Flow replace Apex entirely?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1204\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1204\"><p><span style=\"font-weight: 400;\">No, Flow can\u2019t do complex collection processing like sorting and deduplication, callouts with retry logic, transaction control with savepoints, or batch volumes above what scheduled Flows handle. It also can\u2019t provide logic reusable from LWC, the API, and agent actions the way invocable Apex can.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1205\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1205\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Are Flows bulkified automatically?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1205\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1205\"><p><span style=\"font-weight: 400;\">Record-triggered Flows are bulkified for the records in the trigger batch, but a Get Records or Update Records element inside a Flow loop still issues one operation per iteration, the same failure mode as SOQL in an Apex loop, and Flow Builder gives no warning.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1206\" class=\"elementor-tab-title\" data-tab=\"6\" role=\"button\" aria-controls=\"elementor-tab-content-1206\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Do Flows count against Apex governor limits?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1206\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"6\" role=\"region\" aria-labelledby=\"elementor-tab-title-1206\"><p><span style=\"font-weight: 400;\">Yes, everything firing on a save shares one transaction budget: your Flow, your triggers, other Flows, validation rules, and managed packages all draw from the same 100 SOQL and 150 DML allowance.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1207\" class=\"elementor-tab-title\" data-tab=\"7\" role=\"button\" aria-controls=\"elementor-tab-content-1207\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Can I call Apex from a Flow?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1207\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"7\" role=\"region\" aria-labelledby=\"elementor-tab-title-1207\"><p><span style=\"font-weight: 400;\">Yes, using an <\/span><span style=\"font-weight: 400;\">@InvocableMethod<\/span><span style=\"font-weight: 400;\">. The method appears as an action in Flow Builder. This is usually the best answer for complex logic that an admin still needs to build a process around, and the same method is callable from LWC and Agentforce agent actions.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1208\" class=\"elementor-tab-title\" data-tab=\"8\" role=\"button\" aria-controls=\"elementor-tab-content-1208\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Do Flows need to be tested before deployment?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1208\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"8\" role=\"region\" aria-labelledby=\"elementor-tab-title-1208\"><p><span style=\"font-weight: 400;\">Not by the platform; unlike Apex, which requires 75% coverage to deploy, a Flow can be built and activated directly in production. Flow Tests exist and are worth using, but nothing forces the issue &#8211; which is why most orgs have none.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-1209\" class=\"elementor-tab-title\" data-tab=\"9\" role=\"button\" aria-controls=\"elementor-tab-content-1209\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-right\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-caret-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">How do I control which Flow runs first?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1209\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"9\" role=\"region\" aria-labelledby=\"elementor-tab-title-1209\"><p><span style=\"font-weight: 400;\">Set trigger order values from 1 to 1,000 on flows sharing the same trigger type and object. They run in ascending order. Trigger order always respects the overall order of execution, so an after-save flow can never be made to run before a before-save flow or an Apex trigger.<\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"When should I use Flow instead of Apex?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">When the logic is record-triggered, linear or lightly branching and an admin will maintain it. Field updates, creating related records, sending notifications, routing, and approval processes are all comfortably within Flow\\u2019s range and don\\u2019t justify code.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Is Flow slower than Apex?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">For simple field updates, the difference rarely matters, and a before-save Flow is roughly 10\\u00d7 faster than an after-save Flow doing the same job. For complex logic at volume, particularly anything with nested iteration, Apex is meaningfully faster.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Do Flows run before or after Apex triggers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Both, depending on type. Before-save Flows run before before-triggers. After-save Flows run after after-triggers, and since Spring \\u201922 they run before workflow rules. The blanket claim that \\u201cFlows run before triggers\\u201d is only half correct.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Can Flow replace Apex entirely?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">No, Flow can\\u2019t do complex collection processing like sorting and deduplication, callouts with retry logic, transaction control with savepoints, or batch volumes above what scheduled Flows handle. It also can\\u2019t provide logic reusable from LWC, the API, and agent actions the way invocable Apex can.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Are Flows bulkified automatically?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Record-triggered Flows are bulkified for the records in the trigger batch, but a Get Records or Update Records element inside a Flow loop still issues one operation per iteration, the same failure mode as SOQL in an Apex loop, and Flow Builder gives no warning.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Do Flows count against Apex governor limits?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Yes, everything firing on a save shares one transaction budget: your Flow, your triggers, other Flows, validation rules, and managed packages all draw from the same 100 SOQL and 150 DML allowance.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Can I call Apex from a Flow?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Yes, using an <\\\/span><span style=\\\"font-weight: 400;\\\">@InvocableMethod<\\\/span><span style=\\\"font-weight: 400;\\\">. The method appears as an action in Flow Builder. This is usually the best answer for complex logic that an admin still needs to build a process around, and the same method is callable from LWC and Agentforce agent actions.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Do Flows need to be tested before deployment?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Not by the platform; unlike Apex, which requires 75% coverage to deploy, a Flow can be built and activated directly in production. Flow Tests exist and are worth using, but nothing forces the issue &#8211; which is why most orgs have none.<\\\/span><\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"How do I control which Flow runs first?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400;\\\">Set trigger order values from 1 to 1,000 on flows sharing the same trigger type and object. They run in ascending order. Trigger order always respects the overall order of execution, so an after-save flow can never be made to run before a before-save flow or an Apex trigger.<\\\/span><\\\/p>\"}}]}<\/script>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/section>\r\n\t\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways:\u00a0 Use Flow for straightforward, admin-maintained automation, especially record updates, notifications, routing, and branching. Use Apex when Flow reaches its limits, particularly for complex collection processing, advanced callouts, transaction control, and high-volume workloads. Before-save Flow is the preferred choice for same-record updates, while complex, high-volume logic generally belongs in Apex. The best architecture often [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":20402,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","_wp_applaud_exclude":false,"footnotes":""},"categories":[85],"tags":[2620,2619,423],"class_list":["post-20389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salesforce","tag-flow-vs-apex","tag-flow-vs-apex-in-salesforce","tag-salesforce"],"featured_image_src":{"landsacpe":["https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/Untitled-design-84-1140x445.webp",1140,445,true],"list":["https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/Untitled-design-84-463x348.webp",463,348,true],"medium":["https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/Untitled-design-84-300x169.webp",300,169,true],"full":["https:\/\/dianapps.com\/blog\/wp-content\/uploads\/2026\/08\/Untitled-design-84.webp",1536,864,false]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Flow vs Apex in Salesforce: When to Use Each and Why<\/title>\n<meta name=\"description\" content=\"Flow vs Apex in Salesforce: learn when to use each for automation, performance, scalability, and maintainability. 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As the driving force behind Salesforce innovation at DianApps, he architects solutions across Sales Cloud, Service Cloud, and Experience Cloud that turn fragmented customer data into unified growth engines. His work spans a 360-degree perspective in BFSI, healthcare, and retail, where he's known for engineering platforms that don't just go live, they move revenue and retention numbers. 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