How to create a HTML Button in catalog item

[saikumar2612]

hii all, 

i want to create a html button in catalog item how to do it and the code is  <button type="button" class="btn btn-primary" onclick="addTask()">Add Task</button>  ,

how can i achieve this as a variable

[saikumar2612]

hii  i tried to above link but when im creating a variable in type field its not showing macro

[Mani A]

@saikumar2612 

https://www.servicenow.com/community/developer-forum/how-to-create-a-simple-button-on-a-catalog-item...