diff --git a/include/openbsc/iucs_ranap.h b/include/openbsc/iucs_ranap.h
new file mode 100644
index 0000000..748de23
--- /dev/null
+++ b/include/openbsc/iucs_ranap.h
@@ -0,0 +1,7 @@
+#pragma once
+
+struct gsm_network;
+struct ue_conn_ctx;
+
+int iucs_rx_ranap_event(struct gsm_network *network,
+			struct ue_conn_ctx *ue_ctx, int type, void *data);