AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Parameters:
  ConnectInstanceArn:
    Type: String
    Default: "your instance ARN"
  SourceAccountId:
    Type: String
    Default: "instance account id"

Resources:
  ConnectLambdaFunction:
    Type: AWS::Serverless::Function 
    Properties:
      Handler: index.handler
      Runtime: nodejs12.x
      InlineCode: |
        "use strict";
        var region = process.env.REGION;
        var accountId = process.env.ACCOUNT_ID;

        exports.handler = (event, context, callback) => {
            callback(null,{"Region":region, "AccountId":accountId});
        };
      Environment:
          Variables:
            ACCOUNT_ID: !Ref 'AWS::AccountId'
            REGION: !Ref 'AWS::Region'


  ConnectLambdaFunctionPermission:
    Type: AWS::Lambda::Permission
    DependsOn: ConnectLambdaFunction
    Properties:
      FunctionName: !Ref ConnectLambdaFunction
      Action: 'lambda:InvokeFunction'
      Principal: 'connect.amazonaws.com'
      SourceAccount: !Ref SourceAccountId
      SourceArn: !Ref ConnectInstanceArn
      
Outputs:
  ConnectLambdaFunction:
    Description: "Connect Lambda Function ARN"
    Value: !GetAtt ConnectLambdaFunction.Arn