How to activate support for a custom field type when using the ACF Custom Database Tables plugin. For more information, see https://support.hookturn.io.test/acf-custom-database-tables/doc/how-to-activate-support-for-a-custom-field-type/.

acfcdt-how-to-activate-support-for-custom-field-type.php

<?php

// This will register a custom field type as supported by the plugin. 
// This affects table definition generation and can go in your functions.php 
// file or a plugin.
add_filter( 'acfcdt/is_supported_field', function ( $is_supported, $field ) {

	if ( $field['type'] === 'custom_acf_field_type' ) {
		$is_supported = true;
	}
  
	return $is_supported;
}, 10, 2 );