We added a lot of hooks already, if you need new one – submit ticket to helpdesk.
Most important hooks are:
1. adp_load_rule_conditions to code new condition. Read detailed how to
2. adp_before_apply_rule (allow to adjust rule settings) and adp_is_apply_rule (you can return false to disable rule)
3. wdp_before_apply_to_wc_cart (used to remove custom hooks for WC cart) and wdp_after_apply_to_wc_cart (used to re-add custom hooks to WC cart actions)