{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/GroupCall", "title": "GroupCall", "type": "object", "required": [ "groupId" ], "description": "A group call associates an identified user with a group.", "properties": { "userId": { "type": "string", "description": "Unique identifier for the user in your database." }, "anonymousId": { "type": "string", "description": "A pseudo-unique substitute for a user ID." }, "groupId": { "type": "string", "description": "A unique identifier for the group." }, "traits": { "type": "object", "description": "Free-form dictionary of traits of the group, like name, industry, or number of employees.", "additionalProperties": true }, "context": { "$ref": "#/components/schemas/Context" }, "integrations": { "$ref": "#/components/schemas/Integrations" }, "timestamp": { "type": "string", "format": "date-time", "description": "ISO 8601 date string when the message was originally sent." }, "messageId": { "type": "string", "description": "Unique identifier for the message to deduplicate." } } }