{
  "metrics": {
    "namespace": "AWS/SQS",
    "dimensions": { "QueueName": "this.queueName" },
    "metrics": [
      {
        "name": "ApproximateAgeOfOldestMessage",
        "documentation": "The approximate age of the oldest non-deleted message in the queue.",
        "type": "gauge"
      },
      {
        "name": "ApproximateNumberOfMessagesDelayed",
        "documentation": "The number of messages in the queue that are delayed and not available for reading immediately.",
        "type": "gauge"
      },
      {
        "name": "ApproximateNumberOfMessagesNotVisible",
        "documentation": "The number of messages that are in flight.",
        "type": "gauge"
      },
      {
        "name": "ApproximateNumberOfMessagesVisible",
        "documentation": "The number of messages available for retrieval from the queue.",
        "type": "gauge"
      },
      {
        "name": "NumberOfEmptyReceives",
        "documentation": "The number of ReceiveMessage API calls that did not return a message.",
        "type": "count"
      },
      {
        "name": "NumberOfMessagesDeleted",
        "documentation": "The number of messages deleted from the queue.",
        "type": "count"
      },
      {
        "name": "NumberOfMessagesReceived",
        "documentation": "The number of messages returned by calls to the ReceiveMessage action.",
        "type": "count"
      },
      {
        "name": "NumberOfMessagesSent",
        "documentation": "The number of messages added to a queue.",
        "type": "count"
      },
      {
        "name": "SentMessageSize",
        "documentation": "The size of messages added to a queue."
      }
    ]
  }
}