docs/GetContactDetails.md in sib-api-v3-sdk-5.2.0 vs docs/GetContactDetails.md in sib-api-v3-sdk-5.2.1

@@ -5,9 +5,10 @@
 ------------ | ------------- | ------------- | -------------
 **email** | **String** | Email address of the contact for which you requested the details | 
 **id** | **Integer** | ID of the contact for which you requested the details | 
 **email_blacklisted** | **BOOLEAN** | Blacklist status for email campaigns (true=blacklisted, false=not blacklisted) | 
 **sms_blacklisted** | **BOOLEAN** | Blacklist status for SMS campaigns (true=blacklisted, false=not blacklisted) | 
+**created_at** | **DateTime** | Creation UTC date-time of the contact (YYYY-MM-DDTHH:mm:ss.SSSZ) | 
 **modified_at** | **DateTime** | Last modification UTC date-time of the contact (YYYY-MM-DDTHH:mm:ss.SSSZ) | 
 **list_ids** | **Array<Integer>** |  | 
 **list_unsubscribed** | **Array<Integer>** |  | [optional] 
 **attributes** | **Object** | Set of attributes of the contact |