Amplify lambda access dynamodb api resources policy

template.json

    "AccessDynamoDBApiResourcesPolicy": {
      "DependsOn": ["LambdaExecutionRole"],
      "Type": "AWS::IAM::Policy",
      "Properties": {
        "PolicyName": "amplify-lambda-execution-policy",
        "Roles": [
          {
            "Ref": "LambdaExecutionRole"
          }
        ],
        "PolicyDocument": {
          "Version": "2012-10-17",
          "Statement": [
            {
              "Effect": "Allow",
              "Action": [
                "dynamodb:BatchWriteItem",
                "dynamodb:List*",
                "dynamodb:Query",
                "dynamodb:Delete*"
              ],
              "Resource": [
                {
                  "Fn::Sub": [
                    "arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${tablename}",
                    {
                      "tablename": {
                        "Fn::ImportValue": {
                          "Fn::Sub": "${apiGraphQLAPIIdOutput}:GetAtt:PostTable:Name"
                        }
                      }
                    }
                  ]
                },
                {
                  "Fn::Sub": [
                    "arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${tablename}",
                    {
                      "tablename": {
                        "Fn::ImportValue": {
                          "Fn::Sub": "${apiGraphQLAPIIdOutput}:GetAtt:CommentTable:Name"
                        }
                      }
                    }
                  ]
                },
                {
                  "Fn::Sub": [
                    "arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${tablename}/index/*",
                    {
                      "tablename": {
                        "Fn::ImportValue": {
                          "Fn::Sub": "${apiGraphQLAPIIdOutput}:GetAtt:CommentTable:Name"
                        }
                      }
                    }
                  ]
                }
              ]
            }
          ]
        }
      }
    }