diff --git a/nlsr_lsdb.h b/nlsr_lsdb.h
index db7b831..94e84af 100644
--- a/nlsr_lsdb.h
+++ b/nlsr_lsdb.h
@@ -104,4 +104,7 @@
 
 void destroy_lsdb(void);
 
+void 
+get_lsdb_summary(struct ccn_charbuf *lsdb_data);
+
 #endif