There are 24 action types available: set_warehouse, assign_carrier, assign_service_level, set_priority, add_tag, remove_tag, set_hold, release_hold, skip_processing, notify_email, notify_webhook, add_note, set_custom_field, merge_orders, split_order, assign_territory, override_address, apply_shipping_preset, set_insurance, require_signature, add_to_batch, set_label_format, run_custom_script, and send_to_queue. Multiple actions can be chained on a single rule.