diff --git a/src/s1ap/asn1c/asnGenFiles/UE-S1AP-IDs.h b/src/s1ap/asn1c/asnGenFiles/UE-S1AP-IDs.h
new file mode 100644
index 0000000..adc68a8
--- /dev/null
+++ b/src/s1ap/asn1c/asnGenFiles/UE-S1AP-IDs.h
@@ -0,0 +1,61 @@
+/*
+ * Generated by asn1c-0.9.29 (http://lionet.info/asn1c)
+ * From ASN.1 module "S1AP-IEs"
+ * 	found in "./asn1c/S1AP-IEs.asn"
+ * 	`asn1c -fcompound-names -fno-include-deps -gen-PER -findirect-choice -pdu=S1AP-PDU`
+ */
+
+#ifndef	_UE_S1AP_IDs_H_
+#define	_UE_S1AP_IDs_H_
+
+
+#include <asn_application.h>
+
+/* Including external dependencies */
+#include "MME-UE-S1AP-ID.h"
+#include <constr_CHOICE.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Dependencies */
+typedef enum UE_S1AP_IDs_PR {
+	UE_S1AP_IDs_PR_NOTHING,	/* No components present */
+	UE_S1AP_IDs_PR_uE_S1AP_ID_pair,
+	UE_S1AP_IDs_PR_mME_UE_S1AP_ID
+	/* Extensions may appear below */
+	
+} UE_S1AP_IDs_PR;
+
+/* Forward declarations */
+struct UE_S1AP_ID_pair;
+
+/* UE-S1AP-IDs */
+typedef struct UE_S1AP_IDs {
+	UE_S1AP_IDs_PR present;
+	union UE_S1AP_IDs_u {
+		struct UE_S1AP_ID_pair	*uE_S1AP_ID_pair;
+		MME_UE_S1AP_ID_t	 mME_UE_S1AP_ID;
+		/*
+		 * This type is extensible,
+		 * possible extensions are below.
+		 */
+	} choice;
+	
+	/* Context for parsing across buffer boundaries */
+	asn_struct_ctx_t _asn_ctx;
+} UE_S1AP_IDs_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_UE_S1AP_IDs;
+extern asn_CHOICE_specifics_t asn_SPC_UE_S1AP_IDs_specs_1;
+extern asn_TYPE_member_t asn_MBR_UE_S1AP_IDs_1[2];
+extern asn_per_constraints_t asn_PER_type_UE_S1AP_IDs_constr_1;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _UE_S1AP_IDs_H_ */
+#include <asn_internal.h>