Add watcher field by API

[Cheno]

im trying to import watcher with API

and i cant find a readeble documention to understand how i call the field to update it.
any seggustion? 

[Alexey Matveev · Accepted solution]

You can find an example here:

https://community.atlassian.com/t5/Answers-Developer-Questions/How-do-I-add-a-specific-user-as-a-watcher-using-script-runner/qaq-p/569185