bp_xprofile_format_activity_action_new_avatar( string $action, object $activity )

function bp_xprofile_format_activity_action_new_avatar( $action, $activity ) {
	$userlink = bp_core_get_userlink( $activity->user_id );
	$action   = sprintf( __( '%s changed %s photo', 'buddyboss' ), $userlink, bp_get_user_gender_pronoun_type( $activity->user_id  ) );

	// Legacy filter - pass $user_id instead of $activity.
	if ( has_filter( 'bp_xprofile_new_avatar_action' ) ) {
		$action = apply_filters( 'bp_xprofile_new_avatar_action', $action, $activity->user_id );
	}

	/**
	 * Filters the formatted 'new_avatar' activity feed action.
	 *
	 * @since BuddyPress 2.0.0
	 *
	 * @param string $action   Formatted action for activity feed.
	 * @param object $activity Activity object.
	 */
	return apply_filters( 'bp_xprofile_format_activity_action_new_avatar', $action, $activity );
}