# Brevo::UpdateContact ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **attributes** | **Object** | Pass the set of attributes to be updated. These attributes must be present in your account. To update existing email address of a contact with the new one please pass EMAIL in attributes. For example, `{ \"EMAIL\":\"newemail@domain.com\", \"FNAME\":\"Ellie\", \"LNAME\":\"Roger\"}`. The attribute's parameter should be passed in capital letter while updating a contact. Keep in mind transactional attributes can be updated the same way as normal attributes. Mobile Number in \"SMS\" field should be passed with proper country code. For example {\"SMS\":\"+91xxxxxxxxxx\"} or {\"SMS\":\"0091xxxxxxxxxx\"} | [optional] **ext_id** | **String** | Pass your own Id to update ext_id of a contact. | [optional] **email_blacklisted** | **BOOLEAN** | Set/unset this field to blacklist/allow the contact for emails (emailBlacklisted = true) | [optional] **sms_blacklisted** | **BOOLEAN** | Set/unset this field to blacklist/allow the contact for SMS (smsBlacklisted = true) | [optional] **list_ids** | **Array<Integer>** | Ids of the lists to add the contact to | [optional] **unlink_list_ids** | **Array<Integer>** | Ids of the lists to remove the contact from | [optional] **smtp_blacklist_sender** | **Array<String>** | transactional email forbidden sender for contact. Use only for email Contact | [optional]