AWS::AppSync::FunctionConfiguration 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:
String
ConflictHandler:String
LambdaConflictHandlerConfig: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
Update 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
Update requires: No interruption
-
LambdaConflictHandlerConfig
-
The
LambdaConflictHandlerConfig
when configuringLAMBDA
as the Conflict Handler.Required: No
Type: LambdaConflictHandlerConfig
Update requires: No interruption