xprofile_register_activity_action

apply_filters( 'xprofile_register_activity_action', bp_activity_set_action( $bp->profile->id, $key, $value ), $key, $value )

bp_xprofile_new_avatar_user_id

apply_filters( 'bp_xprofile_new_avatar_user_id', $bp->displayed_user->id )

apply_filters( 'bp_xprofile_new_avatar_action', sprintf( __( '%s changed their profile picture', 'buddypress' ), $userlink ), $user_id )

do_action( 'xprofile_register_activity_actions' )