If you want to know, how to hide ‘New Interaction’ in Service Operation Workspace.

Follow the below steps

1. Navigate to All > Now Experience Framework > Experiences.
2. From the list of UX applications, select Service Operations Workspace.
3. On the UX Application form, from the UX Page Properties related list, select the chrome_tab property.
4. On the UX Page Property page, when the Type field is set to json, edit the Value field, for example, to add or delete routes or tables.
5. Click Update.