Need the code for scriptrunner behvaiour to create panel in description field

[Samyak Masulkar]

We need to pre-populate the colored panels, checkboxes, and tables in description field on jira issue using scriptrunner behaviour, I was able to achieve this using HTML code in data center but not familiar with language used in scriptrunner cloud. Can someone please help me with the code. 

[Nic Brough -Adaptavist-]

No, you have to use the UI or import workflows to build them.