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AWS::AppSync::Resolver SyncConfig
Describes a Sync configuration for a resolver.
Specifies which Conflict Detection strategy and Resolution strategy to use when the resolver is invoked.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
JSON
{ "ConflictDetection" :String, "ConflictHandler" :String, "LambdaConflictHandlerConfig" :LambdaConflictHandlerConfig}
YAML
ConflictDetection:StringConflictHandler:StringLambdaConflictHandlerConfig:LambdaConflictHandlerConfig
Properties
ConflictDetection-
The Conflict Detection strategy to use.
-
VERSION: Detect conflicts based on object versions for this resolver.
-
NONE: Do not detect conflicts when invoking this resolver.
Required: Yes
Type: String
Allowed values:
VERSION | NONEUpdate requires: No interruption
-
ConflictHandler-
The Conflict Resolution strategy to perform in the event of a conflict.
-
OPTIMISTIC_CONCURRENCY: Resolve conflicts by rejecting mutations when versions don't match the latest version at the server.
-
AUTOMERGE: Resolve conflicts with the Automerge conflict resolution strategy.
-
LAMBDA: Resolve conflicts with an AWS Lambda function supplied in the
LambdaConflictHandlerConfig.
Required: No
Type: String
Allowed values:
OPTIMISTIC_CONCURRENCY | LAMBDA | AUTOMERGE | NONEUpdate requires: No interruption
-
LambdaConflictHandlerConfig-
The
LambdaConflictHandlerConfigwhen configuringLAMBDAas the Conflict Handler.Required: No
Type: LambdaConflictHandlerConfig
Update requires: No interruption
