diff --git a/examples/filelistc.c b/examples/filelistc.c
index 2ec55d6..3793e39 100644
--- a/examples/filelistc.c
+++ b/examples/filelistc.c
@@ -104,6 +104,42 @@ static int __rpcscheck_onclient(sxlink_t *l, int ch_tid, char *description)
   return SXE_SUCCESS;
 }
 
+/*
+ * This function might be used to output log in any format you like.
+ * In this case it is a prefix with a message type before a message body.
+ */
+static int __log(const sxlogtype_t type, const char *fmt, ...)
+{
+  int r = 0;
+
+  switch(type) {
+    case SXCRITICAL_LOG:
+      r += fprintf(stderr, "[CRITICAL] ");
+      break;
+    case SXERROR_LOG:
+      r += fprintf(stderr, "[ERROR] ");
+      break;
+    case SXWARNING_LOG:
+      r += fprintf(stderr, "[WARNING] ");
+      break;
+    case SXINFO_LOG:
+      r += fprintf(stderr, "[INFO] ");
+      break;
+    case SXDEBUG_LOG:
+      r += fprintf(stderr, "[DEBUG] ");
+      break;
+    default:
+      r += fprintf(stderr, "[UNKNOWN] ");
+      break;
+  }
+
+  va_list arglist;
+  va_start(arglist, fmt);
+  r += vfprintf(stderr, fmt, arglist);
+  va_end(arglist);
+  return r;
+}
+
 /* supplemetary functions to make code more readable */
 static int __close_dir_stream(sxchnl_t *c, int sid)
 {
@@ -400,6 +436,9 @@ int main(int argc, char **argv)
   lhub = sxhub_create(); /* create sxhub for link creation */
   if(!lhub) return ENOMEM;
 
+  /* set sxhub log function */
+  sxhub_set_logops(lhub, __log);
+
   i = sxhub_setsslserts(lhub, rootca, cert, cert);
   if(i) return i;
 
diff --git a/examples/filelistd.c b/examples/filelistd.c
index 943e847..228c38d 100644
--- a/examples/filelistd.c
+++ b/examples/filelistd.c
@@ -151,6 +151,31 @@ static int __secure_check(sxlink_t *l)
   return SXE_SUCCESS;
 }
 
+/*
+ * This function might be used to output log in any format you like.
+ * In this case it is a prefix with date and time marks before a message body.
+ */
+static int __log(const sxlogtype_t type, const char *fmt, ...)
+{
+  int r = 0;
+
+  time_t timer;
+  char buffer[26];
+  struct tm* tm_info;
+
+  time(&timer);
+  tm_info = localtime(&timer);
+
+  strftime(buffer, 26, "%Y/%m/%d %H:%M:%S", tm_info);
+  r += fprintf(stderr, "[%s] ", buffer);
+
+  va_list arglist;
+  va_start(arglist, fmt);
+  r += vfprintf(stderr, fmt, arglist);
+  va_end(arglist);
+  return r;
+}
+
 /* Our RPC functions it used to get a message and reply */
 static int __dir_open(void *m, sexp_t *sx)
 {
@@ -336,6 +361,10 @@ int main(int argc, char **argv)
     fprintf(stderr, "Subsystem init failed: %d\n", opt);
     return 2;
   }
+
+  /* set sxhub log function */
+  sxhub_set_logops(sxmphub, __log);
+
   /* set working certificates */
   opt = sxhub_setsslserts(sxmphub, rootca, cert, cert);
   if(opt) {