@since: BuddyPress 2.6.0 Added 'error_type' parameter to $args.
Description
groups_post_update()

Post an Activity status update affiliated with a group.

Source: bp-groups/bp-groups-functions.php:1629

bp_activity_new_comment()

Add an activity comment.

Source: bp-activity/bp-activity-functions.php:2964

bp_activity_add()

Add an activity item.

Source: bp-activity/bp-activity-functions.php:2160