Signals notebook: How to delete a custom attribute via API

Details:

• As an administrator log into configuration.
• Collect the attribute ID by navigation to attributes, clicking on the attribute to delete and from the URL. copy the attribute ID.
  Navigate to system settings.
• Go to API key - Open external API document (Swagger).
  Go to the attributes section.
• Look for delete.
• Click on Try it out.
• In the Eid field paste the attribute id collected.
• Click on execute.

Note: System default attributes cannot be deleted. With custom attributes if the attribute is in use, you will see a note "in use" over the delete icon.
Attributes in use cannot be deleted.