'Display Play start messages'

def v2_playbook_on_play_start(self, play):

    name = (play.name or ('Play    name    not    specified    (%s)' % play._uuid))
    msg = ('*Starting    play*    (_%s_)\n\n*%s*' % (self.guid, name))
    attachments = [{'fallback': msg, 'text': msg, 'color': 'warning', 'mrkdwn_in': ['text', 'fallback', 'fields']}]
    self.send_msg(attachments=attachments)
