sensu handler set example

config.json

    "handlers": {
      "default_notification_set": {
        "type": "set",
        "handlers": ["default", "pagerduty", "irc", "twitter", "campfire", "gelf"]
      },
      "default": {
        "type": "pipe",
        "command": "/etc/sensu/handlers/default"
      }, 
      "pagerduty": {
        "type": "pipe", 
        "command": "/etc/sensu/handlers/pagerduty"
      },
      "irc": {
        "type": "pipe",
        "command": "/etc/sensu/handlers/irc"
      },
      "twitter": {
        "type": "pipe",
        "command": "/etc/sensu/handlers/twitter"
      },
      "campfire": {
        "type": "pipe",
        "command": "/etc/sensu/handlers/campfire"
      },
      "gelf": {
        "type": "pipe",
        "command": "/etc/sensu/handlers/gelf.rb"
      }   
    },