Returns a single checklist item by its hashid in the portal. This endpoint uses PhoneTokenAuthentication.

The checklist item must be either:

• Associated with the user's organization, or
• A global checklist item (not associated with any organization)

Response fields:

• id: The hashid of the checklist item
• name: The external name of the checklist item
• description: The external description of the checklist item
• label: The label for categorizing the checklist item
• links: Array of folder links associated with this checklist item