# classname_oid_get

> This function returns the OID of the object referenced by its class handle.

### Prototype

>         MCO_RET	classname_oid_get(	/*IN*/ classname *handle,
>                          /*OUT*/ dbname_oid *oid );

### Arguments

handle | The address of a variable of type ``class handle``
oid | A pointer to a generated typedef dbname_oid, which will receive the OID of the object referenced by the handle

### Description

This function will return the OID of the object referenced by handle.

### Return Codes

MCO_S_OK | The OID was returned successfully
MCO_E_TRANSACT | The transaction is in an error state
MCO_ERR_OBJECT_HANDLE |
MCO_ERR_COMMON |