type: object required: - inbox_id properties: inbox_id: type: number name: type: string description: name of the contact email: type: string description: email of the contact phone_number: type: string description: phone number of the contact avatar: type: string description: Send the form data with the avatar image binary or use the avatar_url avatar_url: type: string description: The url to a jpeg, png file for the contact avatar identifier: type: string description: A unique identifier for the contact in external system custom_attributes: type: object description: An object where you can store custom attributes for contact. example {"type":"customer", "age":30}