Apex Fundamentals
Core Apex programming — classes, interfaces, triggers, governor limits, and order of execution.
7 docs tagged with "governor-limits"
View all tagsBreaking the CPU Time Limit: The Invocable-to-Queueable Split Pattern
How to split expensive processing between a synchronous Invocable method and an asynchronous Queueable job to avoid the 15-second CPU time limit.
Commerce Invoicing 200-Line Posting Limit
Salesforce Commerce Invoicing has an undocumented hard limit that prevents posting invoices with more than 200 InvoiceLine records. This article documents the constraint, the evidence, and available workaround paths.
HTTP Callouts and DML: The Transaction Order Trap
Understanding why performing DML before an HTTP callout throws an uncommitted work error, and how to structure your Apex transactions to avoid it.
Screen Flow Client Payload Limit: Optimizing Large Record Lookups
How the ~6MB client payload limit in Screen Flows causes cryptic failures and how to fix it by specifying explicit queriedFields.
The Bulkified Query-Map Pattern: Avoiding N+1 SOQL in Triggers
How to replace per-record SOQL queries with a single bulk query and Map-based lookups to stay within governor limits.
Trigger-to-Queueable Bulk Processing Pattern
How to accumulate record IDs across multiple trigger chunks and enqueue a single Queueable job for efficient bulk processing.