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Rules

A rule is a saved fill profile. It contains a name, URL pattern, field mappings, optional post-actions, and enabled state.

Use URL patterns to control where a rule is available.

PatternMatches
*Every page
*://example.com/*Any protocol on example.com
https://example.com/loginOne exact URL
/^https:\/\/.*\.example\.com/A regular expression pattern

Each mapping tells Slime how to find a field and what to put in it.

Match ByBest For
IDStable form fields with unique IDs
NameCommon signup, login, and checkout fields
Query SelectorComplex pages that need precise CSS selectors

Values can be static text, a dynamic template, generated title or description text, or an image for file inputs.

Duplicate rules when you need similar profiles, archive rules when they should stay out of active lists, and export rules when you want a backup or need to move a setup between browsers.