Do validations only allow true or false

[joebordes]

I tried it again:

Validation map

   

the script with the function:  modules/Accounts/myvalcode.js

function mysupervalidationfunction(edit_type, formName, action, callback, params) {
console.log(edit_type, formName, action, callback, params);
alert('custom validation');
}

the business action to load the javascript

   

the result