+// Associates a Physical Cell ID (PCI) with a enb-ueid / gnb-ueid
+// Defined in sgnb_addition_ack.json on sgnb_addition_request_acknowledge.proto
+// schemaId = 10000, interface SGNB_ADDITION_REQ_ACK
+PROTOCOL add_req_ack_cellid (base, schema_id 10000){
+// timestamp in milliseconds
+ ullong timestamp_ms get_add_req_ack_cellid__timestamp_ms (required,increasing);
+// gNB ID
+ string gnb_id get_add_req_ack_cellid__gnb_id (required);
+// UE_ID assigned by eNB for the UE over an X2. primary key for matching between addition_req and addition_req_ack.
+ llong id_MeNB_UE_X2AP_ID get_add_req_ack_cellid__id_MeNB_UE_X2AP_ID (required);
+// UE_ID assigned by gNB for the UE over an X2. primary key for referring to the UE within SgNB.
+ llong id_SgNB_UE_X2AP_ID get_add_req_ack_cellid__id_SgNB_UE_X2AP_ID (required);
+// additional bytes optionally rqd. for user id (MeNB ue ID is 16 bits) not expected to be used for PIZ trial. default=0
+ uint id_MeNB_UE_X2AP_ID_Extension get_add_req_ack_cellid__id_MeNB_UE_X2AP_ID_Extension (required);
+// Physical Cell ID (PCI) of the serving cell
+ uint physCellId get_add_req_ack_cellid__physCellId;
+}
+