Ansible playbook accessing variables from var file

---
- hosts: raghu
  vars_files:
      - firstplaybookvars.yml
  tasks:
      - name: Create file
        file:
            path: "{{ path }}"
            state: "{{ state }}"
        notify:
           - restart apache

  handlers:
      - name: restart apache
        service: name=httpd state=started

---
path: /tmp/raghu
state: touch