Testlink integration with katalon

Hai ,
I already installed testlink successfully in my pc and i filled out all the fields of testlink plugin in katalon.
i.e project name,Testlink url,Testlink key,Testplan etc…
So how to write code in katalon for update the status of katalon whether failed or passed in testlink?
and where to write whether in testcase or by creating keywords?

Thanks in advance