Ability to link proof decisions to task statuses/completion

Ability to link proof decisions to project tasks using unlimited If This/Then That statements. We had this logic in another proj management system and we miss it sooooo much. Example:

If "proof" decision is approved, then "task" is complete.

(Proof approval completes design phase and auto moves project forward to next task)

If "proof" decision is approved with changes or rejected, then activate "task".

(Proof edits activate design revision step.)