User identifier of the service's bot; the corresponding user may be unknown yet.
An HTTP URL to open once the request is finished, canceled, or failed with the parameters tg_passport=success, tg_passport=cancel, or tg_passport=error&error=... respectively. If empty, then onActivityResult method must be used to return response on Android, or the link tgbot{bot_user_id}://passport/success or tgbot{bot_user_id}://passport/cancel must be opened otherwise.
Unique request identifier provided by the service.
Service's public key.
Telegram Passport element types requested by the service.
The link contains a request of Telegram passport data. Call getPassportAuthorizationForm with the given parameters to process the link if the link was received from outside of the application; otherwise, ignore it. Subtype of InternalLinkType.