How to get subtask parent ID and copy to text field in subtask using script runner

[Nannette Mori]

How do I copy the subtask parent id to a custom text field in the subtask using script runner

[Nic Brough -Adaptavist- · Accepted solution]

The main bit of code you need is simply

issue.getParentObject().getKey()

For writing it away, there's a good guide to setting most types of field at https://library.adaptavist.com/entity/update-the-value-of-custom-fields-through-the-script-console