Fire the ‘bp_init’ action, BuddyPress’s main initialization hook.

Fire the ‘bp_rest_api_init’ action, where BuddyPress registers REST API endpoints.

Fire the ‘bp_customize_register’ action when the Customizer has loaded, allowing scripts and styles to be initialized.

Fire the ‘bp_loaded’ action, which fires after BP’s core plugin files have been loaded.

Fire the ‘bp_ready’ action, which runs after BP is set up and the page is about to render.

Fire the ‘bp_setup_cache_groups’ action, where cache groups are registered.

Set up the currently logged-in user.

Fire the ‘bp_setup_title’ action, where plugins should modify the page title.

Fire the ‘bp_register_widgets’ action, where plugins should register widgets.

Fire the ‘bp_register_member_types’ action, where plugins should register profile types.