Comment parent/child issue postfunction

With this workflow post-function, you can comment all the child issues or the parent issue of the issue in transition.

To add 'Comment parent/child issue' to a transition: 

1. Click Edit for the workflow that has the transition you wish to add the post-function on.
2. In the Workflow Designer, select the transition.
3. Click on Postfunction in the properties panel.
4. Click on Add postfunction.
5. Select Comment parent/child issue from the list of postfunctions.
6. Click on Add to add the postfunction on the transition.
7. Fill the form shown below and press 'Add' button.