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DocumentationEvent BridgeAPI DocumentationData Transformer APIsCheckTransformation

CheckTransformation

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Last updated: 2025-11-13 20:52:44

1. API Description

Domain name for API request: eb.intl.tencentcloudapi.com.

This API is used to test rules and data on the ETL configuration page.

A maximum of 20 requests can be initiated per second for this API.

We recommend you to use API Explorer
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API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: CheckTransformation.
Version Yes String Common Params. The value used for this API: 2021-04-16.
Region No String Common Params. This parameter is not required for this API.
Input Yes String JSON string to be processed
Transformations.N Yes Array of Transformation Transformation rule list

3. Output Parameters

Parameter Name Type Description
Output String Data processed by Transformations
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Checking transformer

Input Example

POST / HTTP/1.1
Host: eb.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: CheckTransformation
<Common request parameters>

{
    "Input": "{\"data\":{\"msgBody\":\"{\\\"city\\\":\\\"shenzhen\\\",\\\"temp\\\":32,\\\"weather\\\":\\\"sunny\\\"}\"}}",
    "Transformations": [
        {
            "Extraction": {
                "ExtractionInputPath": "$.data.msgBody",
                "Format": "JSON",
                "TextParams": {
                    "Separator": ":",
                    "Regex": "shenzhen"
                }
            },
            "EtlFilter": {
                "Filter": "{\"city\":[{\"contain\":\"shen\"}]}"
            },
            "Transform": {
                "OutputStructs": [
                    {
                        "Key": "city",
                        "Value": "$.city",
                        "ValueType": "JSONPATH"
                    },
                    {
                        "Key": "const",
                        "Value": "11",
                        "ValueType": "NUMBER"
                    },
                    {
                        "Key": "sdate",
                        "Value": "date",
                        "ValueType": "SYS_VARIABLE"
                    }
                ]
            }
        }
    ]
}

Output Example

{
    "Response": {
        "RequestId": "589fd30c-49c9-11ec-9ad1-5254006e5bc5",
        "Output": "{\"sdate\":\"2021-11-20T14:16:06+08:00\",\"city\":\"shenzhen\",\"const\":11}"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

There is no error code related to the API business logic. For other error codes, please see Common Error Codes.

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