{ "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "Contact", "type": "object", "description": "Represents a contact in Marketing Cloud. A contact is an individual who interacts with marketing campaigns across channels.", "properties": { "contactKey": { "type": "string", "description": "Unique identifier for the contact. This value is used across all Marketing Cloud channels and applications." }, "contactID": { "type": "integer", "description": "System-generated unique numeric identifier" }, "contactStatus": { "type": "string", "description": "Current status of the contact" }, "createdDate": { "type": "string", "description": "Date and time the contact was created" }, "modifiedDate": { "type": "string", "description": "Date and time the contact was last modified" }, "attributeSets": { "type": "array", "description": "Collection of attribute sets associated with the contact" } } }