diff --git a/brmsaptool.scm b/brmsaptool.scm
index 47f3c6c..7ac2c51 100644
--- a/brmsaptool.scm
+++ b/brmsaptool.scm
@@ -79,6 +79,7 @@ CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 	 (-action- 'print-member-file))
  (-tests () "Run self-tests upon startup" (-run-tests?- #t))
  (-idstats () "Returns information about available member ids" (-action- 'print-idstats))
+ (-genid () "Generates random member id" (-action- 'genid))
  )
 
 ;; Run tests
@@ -132,4 +133,8 @@ CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
    (newline)
    (print-members-ids-stats MB)
    (newline))
+  ((genid)
+   (newline)
+   (print "New member id: " (gen-member-id MB))
+   (newline))
   )
diff --git a/members-base.scm b/members-base.scm
index ec74ab3..4d13e3e 100644
--- a/members-base.scm
+++ b/members-base.scm
@@ -38,6 +38,7 @@
   print-members-base-stats
   get-free-members-ids
   print-members-ids-stats
+  gen-member-id
   members-base-tests!
   )
 
@@ -51,6 +52,7 @@
 	 (chicken sort)
 	 (chicken string)
 	 (chicken format)
+	 (chicken random)
 	 testing
 	 utils
 	 dictionary
@@ -374,6 +376,12 @@
 	       ", ")
 	      ")"))))
 
+ ;; Generates random vector id.
+ (define (gen-member-id mb)
+   (let* ((fids (get-free-members-ids mb))
+	  (vfids (list->vector fids)))
+     (vector-ref vfids (pseudo-random-integer (vector-length vfids)))))
+
  ;; Performs self-tests of this module.
  (define (members-base-tests!)
    (run-tests