# FILENAME: group_handlers.yml 
---
- name: Grouping the handlers in other word restricting handler to wait till notifying captures the changed state
  hosts: nodes
  tasks:
    - name: Allowing cron execution to all
      command: "echo >> /etc/cron.allow"
      notify: backup file

  handlers:
    - name: Creating the file
      file:
        path: /tmp/grouping
        state: touch
      listen: backup file
    - name: add a line to cron file
      lineinfile:
        line: $(date)
        insertafter: EOF
        path: /tmp/grouping
      listen: backup file
    - name: removing all the things done in the above 2 handlers task
      file:
        path: /tmp/grouping
        state: absent
      listen: backup file
...