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Form controllers

What are Form controllers?

Form controllers are customizable actions performed during form submission, adding, or updating input in a form field of Widgets. The form controller consists of handlers that perform various functions based on the user's preference.  

Handlers in Form controllers

• Submit handler - The submit handler is triggered on the form's submission. Data collected in the form will be available in the Submit Handler.
• Dynamic field handler - The handler auto-populates the drop-down menu items for the field based on the users' search query. 
• Change handler - The change handler can either add or remove fields in the form depending on the input made for a specific field. ​