{  
  "Type": "AWS::Lambda::EventSourceMapping",
  "Properties": {
    "EventSourceArn" : { "Fn::Join" : [ "", [ "arn:aws:kinesis:", { "Ref" : "AWS::Region" }, ":", { "Ref" : "AWS::AccountId" }, ":stream/", { "Ref" : "KinesisStream" }] ] },
    "FunctionName" : { "Fn::GetAtt" : ["LambdaFunction", "Arn"] },
    "StartingPosition" : "TRIM_HORIZON"
  }
}