ps_gui -[#black]> ps_x_service_user : get XUA Assertion activate ps_x_service_user ps_x_service_user -> cc_x_assertion_provider: CH:XUA Get X-User Assertions with Heathcare Professional Extension [UAP-ID, opt. GLN] and resource-id [EPR-SPID] activate cc_x_assertion_provider cc_x_assertion_provider -[#black]> cc_x_assertion_provider: Identifier Transformation from UAP-ID to GLN if GLN not provided cc_x_assertion_provider -[#black]> cc_hpd_provider_info_consumer: proof GLN is registered, resolve to all groups activate cc_hpd_provider_info_consumer cc_hpd_provider_info_consumer -> cc_hpd_provider_info_directory : [ITI-58] Provider Information Query Request activate cc_hpd_provider_info_directory cc_hpd_provider_info_consumer <- cc_hpd_provider_info_directory : [ITI-58] Provider Information Query Response deactivate cc_hpd_provider_info_directory cc_x_assertion_provider <[#black]- cc_hpd_provider_info_consumer deactivate cc_hpd_provider_info_consumer ps_x_service_user <- cc_x_assertion_provider: CH:XUA Get X-User Assertions Response [EPR-SPID] according to CH:XUA deactivate cc_x_assertion_provider ps_gui <[#black]- ps_x_service_user deactivate ps_x_service_user