Optional
domainOptional
firstUse first name in the local part (requires parent context with 'firstName').
Optional
lastUse last name in the local part (requires parent context with 'lastName').
Optional
providerPreferred email provider name (e.g., 'gmail.com') or array to choose from. Overrides locale defaults.
Optional
safeGenerate a safe, non-existent domain (e.g., 'example.com'). Defaults to false.
Specific domain or array of domains to choose from. Overrides provider and locale defaults.