amazon web services - API Gateway - Lambda proxy integration and asynchronous call -


if set header x-amz-invocation-type: 'event', call done asynchronously amazon documentation states (https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-set-up-simple-proxy.html#api-gateway-simple-proxy-for-lambda-output-format), when 1 uses proxy lambda integration, lambda function must return formatted response of kind:

callback(null, {"statuscode": 200, "body": "results"})

as lambda function called asynchronously, api gateway never answer , return 502 bad gateway error instead of 200 ok status.

below extract of swagger configuration:

"/myfunc": {   "post": {     "parameters": [       {         "name": "myparam",         "in": "query",         "required": true,         "type": "string"       }     ],     "responses": {       "200": {         "description": "200 response"       }     },     "x-amazon-apigateway-request-validator": "validate query string parameters , headers",     "x-amazon-apigateway-integration": {       "responses": {         "default": {           "statuscode": "200"         }       },       "uri": "arn:aws:apigateway:ap-northeast-1:lambda:path/2015-03-31/functions/arn:aws:lambda:ap-northeast-1:idaccount:function:myfunc/invocations",       "passthroughbehavior": "when_no_match",       "httpmethod": "post",       "type": "aws_proxy",       "requestparameters": {         "integration.request.header.x-amz-invocation-type": "'event'"       }     }   } }

is there way have worked?


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