custom data dialog cloud

[emir]

Hello, I want to get the custom data from a dialog when clicking the submit button I try to do

AP.events.on ('dialog.button.click', function (data)

{

AP.dialog.getCustomData (function (customData) {

if (data.button.name === 'submit')

{ 

//console.log(customData.action);

}

});

}); but it didn't work ,no output is present In the middle of the function getCustomData

Many thinks !