# PassengerSearchRequest
## Properties
**external_ref** | Option<**String**> | A stable reference to a person from other elements, or from caller system. When received in input of a request, it must be echoed back in the response. | [optional]
**first_name** | Option<**String**> | | [optional]
**last_name** | Option<**String**> | | [optional]
**date_of_birth** | Option<[**String**](string.md)> | | [optional]
**phone_number** | Option<**String**> | format according to E.164 The international public telecommunication numbering plan | [optional]
**email** | Option<**String**> | | [optional]
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