Hooks

gform/conditionalLogic/applyRules/end

The gform/conditionalLogic/applyRules/end event allows you to react after conditional logic is applied. Use it to trigger animations, restore inputs, or handle field visibility updates in conversational forms.

gform/conditionalLogic/applyRules/start

The gform/conditionalLogic/applyRules/start event allows you to run custom logic right before conditional rules are applied. It’s useful for prepping UI changes, showing loaders, or managing field state in conversational forms.

gform/datepicker/pre_init

This article explains how to use the gform/datepicker/pre_init filter to modify the options used to initialize a field’s datepicker before it is rendered.

gform/form_editor/initialized

The gform/form_editor/initialized event is triggered after the form editor has been initialized. It allows developers to perform actions once the editor is ready.

gform/gfcf/hide_conditions

This gform/gfcf/hide_conditions filter allows developers to add custom visibility rules for fields in conversational forms.

gform/gfcf/visibility_field_classes

The gform/gfcf/visibility_field_classes filter allows customization of which field CSS classes should be monitored for visibility changes. The field observer system uses it to watch for changes to the style.display property of fields.

gform/phone/countries

The gform/phone/countries filter allows you to customize the countries list displayed in the international phone field.

gform/post_init

This event is intended for use by add-ons that depend on core scripts. It fires once per form and provides the form ID as a parameter.

gform/post_render

The gform/post_render event can be used to initialize scripts when a form loads. It is a direct replacement for gform_post_render.

gform/products/product_field_changed

This JavaScript event is triggered when any price changes.