alterErrors

alterErrors (args)

args is a dictionary with the following keys:

• val - The current value of this field
• field_name - The name of this field
• require_valid - Errors, if any.
• def - This element’s definition.

This callback is called when checking the error state of a field. It allows you to intercept the error and alter it.

An error should take one of the 2 following states:

• false - There is no error
• string - Text description of error