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validatesPresenceOf()

Validates that the specified property exists and that its value is not blank.

Name Type Required Default Description
properties string Yes See documentation for validatesConfirmationOf.
message string No [property] can't be empty See documentation for validatesConfirmationOf.
when string No onSave See documentation for validatesConfirmationOf.
condition string No See documentation for validatesConfirmationOf.
unless string No See documentation for validatesConfirmationOf. 
// Make sure that the user data can not be saved to the database without the `emailAddress` property. (It must exist and not be an empty string)
validatesPresenceOf("emailAddress");