acfe_form('my_form_name') & acfe_form(188) to display a formacf_update_setting('acfe/modules/dynamic_forms', false)action('acfe/form/validation', $form, $post_id) & action('acfe/form/validation/name=form_name', $form, $post_id) to validate form before submission. get_field(), have_rows(), get_sub_field() functions can be used.acfe_add_validation_error('field_name_or_key', 'message') helper to add error on specific field during the validationaction('acfe/form/submit', $form, $post_id) & action('acfe/form/submit/name=form_name', $form, $post_id) to add custom action on submissionacfe/field/recaptcha/site_key (API site key)acfe/field/recaptcha/secret_key (API secret key)acfe/field/recaptcha/version (v2 or v3)acfe/field/recaptcha/v2/theme (light or dark)acfe/field/recaptcha/v2/size (normal or compact)acfe/field/recaptcha/v3/hide_logo (true or false)('acfe/fields/button/before_ajax', this.$el)('acfe/fields/button/ajax_success', response, this.$el)filter('acfe/fields/advanced_link/fields', $fields, $field, $link) allowing developers to add custom field to the modalfilter('acfe/flexible/lock', true, $field) to lock flexible content layouts (disable sortable)filter('acfe/flexible/lock/name=my_flexible', true, $field) to lock flexible content layouts (disable sortable)filter('acfe/flexible/remove_actions', true, $field) to remove the “Add layout” buttonfilter('acfe/flexible/remove_actions/name=my_flexible', true, $field) to remove the “Add layout” buttonaction('acfe/flexible/render/before_template', $field, $layout, $is_preview) to add wrapper around the template render (with 6 variations)action('acfe/flexible/render/after_template', $field, $layout, $is_preview) to add wrapper around the template render (with 6 variations)text-align:center applied to placeholder cssfilter('acfe/repeater/lock', true, $field) to lock repeater rows (disable sortable)filter('acfe/repeater/lock/name=my_repeater', true, $field) to repeater rows (disable sortable)filter('acfe/repeater/remove_actions', true, $field) to remove the “Add row” buttonfilter('acfe/repeater/remove_actions/name=my_repeater', true, $field) to remove the “Add row” buttonfilter('acfe/load_field', $field) to filter field settings everywhere but not in field group & tools managementfilter('acfe/load_field_front', $field) to filter field settings in the front-end (and ajax coming from front-end) but not in field group & tools managementfilter('acfe/load_field_admin', $field) to filter field settings in the administration (and ajax coming from administration) but not in field group & tools managementacfe_admin_archive is set to true (also available in Dynamic Post Type)save_json setting being incorrectly displayed in the ACF Setting tabacfe/php, acfe/php_save, acfe/php_load, acfe/php_foundSCRIPT_DEBUG. Can be activated using acf_update_setting('acfe/dev', true) or define('ACFE_dev', true)meta_box_cb setting (thanks @DavidGMiles)