创建资源失败预期params.Item为地图

问题描述

我正在使用aws cdk生成CF模板。在运行cdk deploy时，出现错误 创建资源失败。预期的params.Item为地图。

代码段：

object GenerateItem()
            {
                StringBuilder sb = new StringBuilder("{ \"ApiKey\": { \"S\": \"{apiKey}\" },\"HmacSigningKey\": { \"S\": \"{hmacKey}\" },\"Name\": { \"S\": \"{appName}\" } }");

                sb.Replace("{apiKey}","SuperSecureAPIKey");
                sb.Replace("{hmacKey}","SuperSecureHMACSigningKey");
                sb.Replace("{appName}","SuperSecureApp");
                return sb.ToString();
            }

            insertRecord = new AwsSdkCall()
            {
                Service = "DynamoDB",Action = "putItem",Parameters = new Dictionary<string,object>
                 {
                     { "TableName",Constants.BANKSTATEMENT_API_TOKEN_CONfig_TABLE_NAME },{ "Item",GenerateItem() },},PhysicalResourceId = PhysicalResourceId.Of("InitDynamoDbData")
            };

            var ps = new PolicyStatement(new PolicyStatementProps
            {
                Actions = new[] { "*" },Resources = new[] { "*" }
            });

            // Todo: Writing to database is not working. "Failed to create resource. Expected params.Item to be a map"
            var dynamodbWriter = new AwsCustomresource(this,Constants.BANKSTATEMENTAPIAUTH_DYNAMODB_WRITER,new AwsCustomresourceProps
            {
                OnCreate = insertRecord,Policy = AwsCustomresourcePolicy.FromStatements(new[] { ps })
            });

解决方法

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