Loose Coupling in Flow and Apex: Why I Never Hardcode Anything Anymore

Photo by Bekky Bekks on Unsplash

If there’s one rule I apply religiously in my org: hardcoding is technical debt.

Whether it’s Flow logic, Apex classes, or email templates, I aim for loose coupling:

  • Use Custom Metadata Types or Custom Settings for key values

  • Reference Labels, not static strings

  • Pull IDs dynamically using Custom Labels or SOQL selectors, not copy/paste

Loose coupling allows me to change logic or relationships without rewriting automation. It also makes testing, sandbox refreshes, and multi-org architecture much easier to manage.

Clean systems aren’t just DRY—they’re modular and resilient.