diff --git a/gce/vm.sh b/gce/vm.sh
index bf96734..2d94f05 100644
--- a/gce/vm.sh
+++ b/gce/vm.sh
@@ -335,6 +335,10 @@
   fi
 }
 
+function print_vm_name() {
+  echo $1
+}
+
 command="${1-}"
 shift || true
 
@@ -361,6 +365,9 @@
   "ssh_command")
     do_ssh_command "$@"
     ;;
+  "vms")
+    action print_vm_name "$@"
+    ;;
   "ssh")
     tag=$1
     location="$(test_slave "${tag}")"