add vms var

playbooks/add-user-to-group.yml

@@ -1,7 +1,10 @@
 ---
-- hosts: all
+- hosts: "{{ vms }}"
   become: true
   vars_prompt:
+    - name: vms
+      prompt: "hosts to run playbook on"
+      private: no
     - name: group_name
       prompt: "Name of group to add user to"
       private: no