AWS API Gateway でGETでアクセスした時の Lambda(event)の中身

{
    "accountId":"",
    "apiId":"xxxxxxxxx",
    "apiKey":"",
    "caller":"",
    "headers":{
        "Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
        "Accept-Encoding":"gzip",
        "Accept-Language":"ja,en-US;q=0.8,en;q=0.6,pt;q=0.4",
        "CloudFront-Forwarded-Proto":"https",
        "CloudFront-Is-Desktop-Viewer":"true",
        "CloudFront-Is-Mobile-Viewer":"false",
        "CloudFront-Is-SmartTV-Viewer":"false",
        "CloudFront-Is-Tablet-Viewer":"false",
        "CloudFront-Viewer-Country":"JP",
        "Upgrade-Insecure-Requests":"1","Via":"1.1 xxxxxxxxxxxxxxafaacf802e539e.cloudfront.net (CloudFront)",
        "X-Amz-Cf-Id":"xxxxxxxxxxxxxxxxx7n8WzfvZXkEcWF7EZsJf9OZeyC3xT2GHA==",
        "X-Forwarded-For":"xxxx.xxx.x.xxx, xxx.xxx.xxx.xx",
        "X-Forwarded-Port":"443","X-Forwarded-Proto":"https"
    },
    "httpMethod":"GET",
    "path":"/ping",
    "pathParameters":{},
    "queryParameters":{
        "xxxxxx":"xxxxxx"
    },
    "requestId":"1132e878-xxxxxx-11e5-8c81-xxxxxxx",
    "requestParameters":{},
    "resourceId":"9oqc96",
    "sourceIp":"xxx.xxx.xxx.xxx",
    "stage":"production",
    "user":"",
    "userAgent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.157 Safari/537.36","userArn":""
}