diff --git a/3rdparty/libe2ap/InvokeIndication.h b/3rdparty/libe2ap/InvokeIndication.h
new file mode 100644
index 0000000..26384a9
--- /dev/null
+++ b/3rdparty/libe2ap/InvokeIndication.h
@@ -0,0 +1,53 @@
+/*
+ * Generated by asn1c-0.9.29 (http://lionet.info/asn1c)
+ * From ASN.1 module "X2AP-IEs"
+ * 	found in "Spec/e2_and_x2-combined-and-minimized.asn1"
+ * 	`asn1c -pdu=auto -fincludes-quoted -fcompound-names -fno-include-deps -gen-PER -no-gen-OER -no-gen-example`
+ */
+
+#ifndef	_InvokeIndication_H_
+#define	_InvokeIndication_H_
+
+
+#include "asn_application.h"
+
+/* Including external dependencies */
+#include "NativeEnumerated.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Dependencies */
+typedef enum InvokeIndication {
+	InvokeIndication_abs_information	= 0,
+	/*
+	 * Enumeration is extensible
+	 */
+	InvokeIndication_naics_information_start	= 1,
+	InvokeIndication_naics_information_stop	= 2
+} e_InvokeIndication;
+
+/* InvokeIndication */
+typedef long	 InvokeIndication_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_InvokeIndication;
+asn_struct_free_f InvokeIndication_free;
+asn_struct_print_f InvokeIndication_print;
+asn_constr_check_f InvokeIndication_constraint;
+ber_type_decoder_f InvokeIndication_decode_ber;
+der_type_encoder_f InvokeIndication_encode_der;
+xer_type_decoder_f InvokeIndication_decode_xer;
+xer_type_encoder_f InvokeIndication_encode_xer;
+per_type_decoder_f InvokeIndication_decode_uper;
+per_type_encoder_f InvokeIndication_encode_uper;
+per_type_decoder_f InvokeIndication_decode_aper;
+per_type_encoder_f InvokeIndication_encode_aper;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _InvokeIndication_H_ */
+#include "asn_internal.h"