Set Locale

Command to set the user's preferred locale for UI localization.

Command

Description

This command sets the user’s preferred locale using BCP-47 language tags (e.g., “en-US”, “de-DE”). The locale affects date formats, number formats, and UI translations.

Validation Rules

  • Preferences must exist for this user
  • Locale must be a valid BCP-47 language tag

Emits

  • UserPreferencesLocaleSet on success
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