Last updated: 2019-08-18 22:55:00

1. API Description

API request domain name: scf.tencentcloudapi.com.

This API updates the function code based on the parameters passed in.

Default API request frequency limit: 20 times/second.

2. Input Parameters

The following parameters are required for requesting this API, including action-specific parameters and common parameters. For more information about common parameters for all requests, see Common Request Parameters.

Parameter name Required Type Description
Action Yes String Common parameter; the name of this API: UpdateFunctionCode
Version Yes String Common parameter; the version of this API: 2018-04-16
Region Yes String Common parameters; for details, see the Region List.
Handler No String Name of the handler. A handler is a method that the runtime executes when your function is invoked. A handler name must be formatted as the function name following the file name with a period (.) between these two names, for example, FileName.FunctionName.
Both file name and function name: must be between 2 and 60 characters long; can contain any letters (both uppercase and lowercase) from a to z and any numbers from 0 through 9, can contain some special characters, including hyphen or dash, and underscore; must begin and end with a letter.
FunctionName Yes String Name of the function to be modified
CosBucketName No String Name of the object bucket
CosObjectName No String Path of the COS object
ZipFile No String This contains a .zip file of the function code file and its dependencies. When using this API, the content of the .zip file needs to be encoded with Base64. It can be up to 20 MB
CosBucketRegion No String Region of the COS. For the Beijing region, you need to pass in ap-beijing; for the Beijing Region One, you need to pass in ap-beijing-1; for other regions, this parameter can be left blank

3. Output Parameters

Parameter name Type Description
RequestId String The ID of the request. Each request returns a unique ID. The RequestId is required to troubleshoot issues.

4. Sample

Updating Function Code

Input Sample Code

&<Common request parameter>

Output Sample Code

    "Response": {
        "RequestId": "eac6b301-a322-493a-8e36-83b295459397"

5. Developer Resources

API Explorer

This tool provides various capabilities such as online call, signature verification, SDK code generation, and quick API retrieval that significantly reduce the difficulty of using TencentCloud API.


TencentCloud API 3.0 integrates software development toolkits (SDKs) that support various programming languages to make it easier for you to call the APIs.


6. Error Codes

The following error codes are API business logic-related. For other error codes, see Common Error Codes.

Error Code Description
InternalError.System Internal system error.
InvalidParameterValue An invalid value was declared for the input parameter.
InvalidParameterValue.Code An invalid value was declared for the input parameter: Code.
InvalidParameterValue.Handler An invalid value was declared for the input parameter: Handler.
ResourceNotFound.FunctionName Function does not exist.
UnauthorizedOperation.CAM CAM authentication failed.