getErrorMessages method
Get the error messages associated with a form attribute.
The getErrorMessages function is used to retrieve the error messages
associated with a specific form attribute. It looks up the attribute in the
_errors map and returns the list of error messages. If no custom
error messages are associated with the attribute, the function returns null.
Parameters:
attribute: The identifier of the form attribute for which you want to retrieve error messages.
Returns:
A list of error messages associated with the specified form attribute,
or null if no error messages are found.
Implementation
List<String>? getErrorMessages(String attribute) {
return _errors[attribute];
}