| Description | 
| Point of Sale (POS) identifies the party or connection channel making the request. | 
| Type : POS_Type | 
| Definition | 
| Point of sale object. (Defined in file OTA_AirCheckIn.xsd , or a file it imports) | 
| Elements | |||
|   Source | This holds the details about the requestor. It may be repeated to also accommodate the delivery systems.Provides information on the source of a request. | ||