diff --git a/src/s1ap/asn1c/asnGenFiles/S1AP-PDU.h b/src/s1ap/asn1c/asnGenFiles/S1AP-PDU.h
new file mode 100644
index 0000000..2d05681
--- /dev/null
+++ b/src/s1ap/asn1c/asnGenFiles/S1AP-PDU.h
@@ -0,0 +1,61 @@
+/*
+ * Generated by asn1c-0.9.29 (http://lionet.info/asn1c)
+ * From ASN.1 module "S1AP-PDU-Descriptions"
+ * 	found in "./asn1c/S1AP-PDU-Descriptions.asn"
+ * 	`asn1c -fcompound-names -fno-include-deps -gen-PER -findirect-choice -pdu=S1AP-PDU`
+ */
+
+#ifndef	_S1AP_PDU_H_
+#define	_S1AP_PDU_H_
+
+
+#include <asn_application.h>
+
+/* Including external dependencies */
+#include <constr_CHOICE.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Dependencies */
+typedef enum S1AP_PDU_PR {
+	S1AP_PDU_PR_NOTHING,	/* No components present */
+	S1AP_PDU_PR_initiatingMessage,
+	S1AP_PDU_PR_successfulOutcome,
+	S1AP_PDU_PR_unsuccessfulOutcome
+	/* Extensions may appear below */
+	
+} S1AP_PDU_PR;
+
+/* Forward declarations */
+struct InitiatingMessage;
+struct SuccessfulOutcome;
+struct UnsuccessfulOutcome;
+
+/* S1AP-PDU */
+typedef struct S1AP_PDU {
+	S1AP_PDU_PR present;
+	union S1AP_PDU_u {
+		struct InitiatingMessage	*initiatingMessage;
+		struct SuccessfulOutcome	*successfulOutcome;
+		struct UnsuccessfulOutcome	*unsuccessfulOutcome;
+		/*
+		 * This type is extensible,
+		 * possible extensions are below.
+		 */
+	} choice;
+	
+	/* Context for parsing across buffer boundaries */
+	asn_struct_ctx_t _asn_ctx;
+} S1AP_PDU_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_S1AP_PDU;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _S1AP_PDU_H_ */
+#include <asn_internal.h>