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beforeValidationOnUpdate()

Registers method(s) that should be called before an existing object is validated.

Name	Type	Required	Default	Description
methods	string	No		Method name or list of method names that should be called when this callback event occurs in an object's life cycle (can also be called with the `method` argument).

// Instruct CFWheels to call the `fixObj` method
beforeValidationOnUpdate("fixObj");