# contactBirthday

Birthday information of a contact.

```tl
contactBirthday#1d998733 contact_id:long birthday:Birthday = ContactBirthday;
```

### Parameters

| Name | Type | Description |
| --- | :---: | --- |
| **contact\_id** | [long](/type/long.md) | User ID. |
| **birthday** | [Birthday](/type/Birthday.md) | Birthday information. |

### Type
[ContactBirthday](/type/ContactBirthday.md)