beforeValidate

fires before validation of form fields has started

boolean beforeValidate(string name|id,any value){ ... };

name\|id	string	the name (or id, if the name is not specified) of the Form control
value	any	the value to be validated

boolean

false - to prevent validation, otherwise true

form.events.on("BeforeValidate", function(name, value) {
    console.log("BeforeValidate", name, value); 
    return true;
});