#101750
admin
Keymaster

Hi klslead,
To initialize custom fields as in the example I pointed out, you should use Javascript, not HTML.
Example:

{
dataField: 'mask',
label: 'Mask Input',
controlType: 'mask',
controlOptions: {
placeholder: 'Phone number',
mask: '+1 (###) ### - ####',
},
required: true
},

Best regards,
Peter Stoev
Smart UI Team
https://www.htmlelements.com/