Assign user to Issue whit Groovy Cloud

[Eduard Diez]

Someone can help me.

I need to assign a user in the new subTask in my project. How can I do this whit groovy?

I search in the API this information: PUT /rest/api/3/issue/{issueIdOrKey}/assignee

but I don't know how to use this line of code:

I work in cloud.

Thank's