FunctionConfiguration - Amazon AppSync
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FunctionConfiguration

A function is a reusable entity. You can use multiple functions to compose the resolver logic.

Contents

code

The function code that contains the request and response functions. When code is used, the runtime is required. The runtime value must be APPSYNC_JS.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 32768.

Required: No

dataSourceName

The name of the DataSource.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 65536.

Pattern: [_A-Za-z][_0-9A-Za-z]*

Required: No

description

The Function description.

Type: String

Required: No

functionArn

The Amazon Resource Name (ARN) of the Function object.

Type: String

Required: No

functionId

A unique ID representing the Function object.

Type: String

Required: No

functionVersion

The version of the request mapping template. Currently, only the 2018-05-29 version of the template is supported.

Type: String

Required: No

maxBatchSize

The maximum batching size for a resolver.

Type: Integer

Valid Range: Minimum value of 0. Maximum value of 2000.

Required: No

name

The name of the Function object.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 65536.

Pattern: [_A-Za-z][_0-9A-Za-z]*

Required: No

requestMappingTemplate

The Function request mapping template. Functions support only the 2018-05-29 version of the request mapping template.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 65536.

Pattern: ^.*$

Required: No

responseMappingTemplate

The Function response mapping template.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 65536.

Pattern: ^.*$

Required: No

runtime

Describes a runtime used by an Amazon AppSync pipeline resolver or Amazon AppSync function. Specifies the name and version of the runtime to use. Note that if a runtime is specified, code must also be specified.

Type: AppSyncRuntime object

Required: No

syncConfig

Describes a Sync configuration for a resolver.

Specifies which Conflict Detection strategy and Resolution strategy to use when the resolver is invoked.

Type: SyncConfig object

Required: No

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: