{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/Audience", "title": "Audience", "type": "object", "description": "An audience segment based on attribute rules and user behaviors.", "properties": { "uid": { "type": "string", "description": "Unique identifier of the audience." }, "name": { "type": "string", "description": "Display name of the audience." }, "description": { "type": "string", "description": "Description of the audience and its targeting criteria." }, "rules": { "type": "object", "description": "Logical conditions that determine audience membership." }, "created_at": { "type": "string", "format": "date-time", "description": "ISO 8601 timestamp when the audience was created." } } }