Add a note to a checklist item

Notes are visible to all users with access to the listing. Adding a note updates the listing's modifiedOn and checklistModifiedOn timestamps. Notes cannot be edited or deleted after creation. Note text is required and must be 1000 characters or fewer.

Validation & Requirements

Required Parameters

• listingGuid (path, string, format=guid)
• checklistItemId (path, integer, format=int32)
• form (body, object)

Required JSON Body Fields

• None

Validations

• Invalid GUID values in *Guid/*Guids fields return 422 Unprocessable Entity.
• Invalid date values in *date* fields return 422 Unprocessable Entity.
• Missing required request body returns 422 Unprocessable Entity with Missing request body..
• Additional business-rule validation may return 422 with details in the errors array.

Integration Requirement

• Retrieve the corresponding ...Form endpoint immediately before write operations to get current dynamic required fields and allowed values.