Automatically clock in when I switch task mode to "in progress"

Question

Title is pretty self-explanatory. I apologize for not being able to figure this out myself, I'm new to emacs. When I switch a task from 'todo' to 'in-progress', I would like emacs to automatically clock me in, then when I switch it out of 'in progress' I would like to clock out.

I understand this will need to use variables org-clock-out, org-clock-in, etc., but none of the solutions I have found online seem to work… e.g., this gives me a "and: Symbol’s value as variable is void: state" error.

Thanks for your help; cheers.

Answer 1

Figured it out. Much simpler than the linked solution.

    (add-hook 'org-after-todo-state-change-hook
              'org-clock-todo-change)
    
    (defun org-clock-todo-change ()
      (if (string= org-state "IN-PROGRESS")
          (org-clock-in)
        (org-clock-out)))