AWS AppSync resolver mapping template reference (VTL)
Note
We now primarily support the APPSYNC_JS runtime and its documentation. Please consider using the APPSYNC_JS runtime and its guides here.
The following sections will describe how utility operations can be used in mapping templates:
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Resolver mapping template overview - Learn more about how resolvers work in AWS AppSync.
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Resolver mapping template programming guide - Learn more about basic VTL data structures and logic handling.
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Resolver mapping template context reference - Learn more about the context map and how it's used in resolvers.
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Resolver mapping template utility reference - Learn more about using utilities to simplify code.
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Resolver mapping template reference for DynamoDB - Learn more about how resolvers interact with DynamoDB.
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Resolver mapping template reference for RDS - Learn more about resolver structure and interactions with RDS.
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Resolver mapping template reference for OpenSearch - Learn more about resolver request and response structure and interactions with OpenSearch Service.
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Resolver mapping template reference for Lambda - Learn more about resolver request and response structure and interactions with Lambda.
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Resolver mapping template reference for EventBridge - Learn more about resolver request and response structure and interactions with EventBridge.
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Resolver mapping template reference for None data source - Learn more about resolver request and response structure and interactions with NONE data sources.
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Resolver mapping template reference for HTTP - Learn more about resolver request and response structure and interactions with HTTP endpoints.
