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Generating Custom Field

This handles the gnarly parts of Salesforce Custom Field metadata generation, specifically the stuff that breaks during deployment. It knows the difference between Master-Detail and Lookup relationships (Master-Detail fields can't have required tags or deleteConstraint, which trips people up constantly), enforces the right precision and scale rules for numbers, and gets Roll-up Summary field format correct. The mandatory description and inlineHelpText requirements are opinionated but prevent lazy field documentation. Use this when you're generating field XML and want to avoid the back-and-forth with deployment errors. It's built around the actual Metadata API constraints, not just what works in the UI.

skills.sh installs
1.6K
GitHub stars
705
last updated
Jul 14, 2026

Install

$ npx -y skills add forcedotcom/afv-library --skill generating-custom-field --agent claude-code

Installs into .claude/skills of the current project.

Files

This handles the gnarly parts of Salesforce Custom Field metadata generation, specifically the stuff that breaks during deployment. It knows the difference between Master-Detail and Lookup relationships (Master-Detail fields can't have required tags or deleteConstraint, which trips people up constantly), enforces the right precision and scale rules for numbers, and gets Roll-up Summary field format correct. The mandatory description and inlineHelpText requirements are opinionated but prevent lazy field documentation. Use this when you're generating field XML and want to avoid the back-and-forth with deployment errors. It's built around the actual Metadata API constraints, not just what works in the UI.

Browse the repository on GitHub

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Details

Repository
github.com/forcedotcom/afv-library
First seen
May 16, 2026

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