vc_set_default_editor_post_types()

To enable WPBakery Page Builder for theme defined post types by default, you can make use of vc_set_default_editor_post_types() api function.

<?php vc_set_default_editor_post_types( $list ); ?>

Params

Param name	Type	Description
$list	Array	List of post types for which WPBakery Page Builder should be available by default

How to add WPBakery Page Builder editing mode to your custom post type.

<?php
$list = array(
  'page',
  'custom_post_type'
);
vc_set_default_editor_post_types( $list );
?>