attachmentWrapperCollection | The attachmentWrapperCollection object. |
index | If specified, the index of the attachmentWrapper to return. 0 is the first attachmentWrapper. If index is specified, id should not be specified. |
id | The attachmentWrapper to extract that for which contains the id indicated. If id is specified, index should not be specified. |
attachmentWrapper | The attachmentWrapper object that is returned. The value is empty if the index is invalid or if no attachmentWrapper exists with the id specified. |