Lesson 3 · A hook that blocks · step 11 of 1101Read02Exit code 203Task 104Other exit codes do not block05Task 206Task 307The block decision08Task 409Task 510Recap11TakeawayTakeawayBlocking hook templateLog in to read this lesson. A free account opens the introductory chapter.←RecapHow a hook puts a note in front of Claude without stopping the work→