{
    "format":"pop",
    "apiVersion":"2015-04-01",
    "checksumFormat":"md5",
    "endpointPrefix":"sts",
    "serviceAbbreviation":"STS",
    "serviceFullName":"Aliyun STS",
    "signatureVersion":"pop",
    "timestampFormat":"top",
    "xmlnamespace":"",
    "operations":{
        "assumeRole":{
            "name":"AssumeRole",
            "http":{
                "method":"POST",
                "uri":"/"
            },
            "input":{
                "type":"structure",
                "members":{
                    "Action":{
                        "required":true,
                        "default":"AssumeRole"
                    },
                    "DurationSeconds":{
                        "type":"integer"
                    },
                    "Policy":{
                        "type":"string"
                    },
                    "RoleArn":{
                        "required":true,
                        "type":"string"
                    },
                    "RoleSessionName":{
                        "required":true,
                        "type":"string"
                    }
                }
            }
        },
        "getCallerIdentity":{
            "name":"AssumeRole",
            "http":{
                "method":"POST",
                "uri":"/"
            },
            "input":{
                "type":"structure",
                "members":{
                    "Action":{
                        "required":true,
                        "default":"GetCallerIdentity"
                    }
                }
            }
        }
    }
}