Custom input attribute to pass on to event listerner

[carlmagumpara]

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I want to pass a custum attribute to event listerner

Sample formless data
{
'tag': 'input',
'type': 'text',
'name': 'sample',
'cf-questions': 'Sample question',
'required': true
'cf-data': JSON.stringify(dataobj), <--- data to pass to event listerner
}

in event listener

const dispatcher = new EventDispatcher();
dispatcher.addEventListener(FlowEvents.FLOW_UPDATE, function(event) {
console.log(event.detail); <---- data here
// your code here
}, false);

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