Resolver mapping template utility reference
Note
We now primarily support the APPSYNC_JS runtime and its documentation. Please consider using the APPSYNC_JS runtime and its guides here.
Amazon AppSync defines a set of utilities that you can use within a GraphQL resolver to simplify interactions with data sources. Some of these utilities are for general use with any data source, such as generating IDs or timestamps. Others are specific to a type of data source.
Topics
- Utility helpers in $util
- Amazon AppSync directives
- Time helpers in $util.time
- List helpers in $util.list
- Map helpers in $util.map
- DynamoDB helpers in $util.dynamodb
- Amazon RDS helpers in $util.rds
- HTTP helpers in $util.http
- XML helpers in $util.xml
- Transformation helpers in $util.transform
- Math helpers in $util.math
- String helpers in $util.str
- Extensions