@Rachna S 

Go to sys_ui_action table and disable it based on your requirements

If this helped to answer your query, please mark it helpful & accept the solution.

Thanks,

Bhuvan

@Rachna S 

You can also control the visibility based on your requirements

Refer below article for more details

https://www.servicenow.com/community/next-experience-articles/how-to-use-ui-actions-in-workspaces/ta...

If this helped to answer your query, please mark it helpful & accept the solution.

Thanks,

Bhuvan

Hi,

It is not a UI action. The button on project workspace is setup differently.

@Rachna S 

I am not able to replicate it in my PDI to analyse further.

You can check UI builder configuration for the workspace page

If this helped to answer your query, please mark it helpful & accept the solution.

Thanks,

Bhuvan

The button shows under certain conditions only.