Hooks
Validation Lambda functions that are run before and after traffic shifting.
Note
The Lambda functions referenced in this property configure the CodeDeployLambdaAliasUpdate
object of the resulting AWS::Lambda::Alias resource. For more information, see CodeDeployLambdaAliasUpdate Policy in the AWS CloudFormation User Guide.
Syntax
To declare this entity in your AWS Serverless Application Model (AWS SAM) template, use the following syntax.
YAML
PostTraffic:
String
PreTraffic:String
Properties
-
PostTraffic
-
Lambda function that is run after traffic shifting.
Type: String
Required: No
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.
-
PreTraffic
-
Lambda function that is run before traffic shifting.
Type: String
Required: No
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.
Examples
Hooks
Example hook functions
YAML
Hooks: PreTraffic: Ref: PreTrafficLambdaFunction PostTraffic: Ref: PostTrafficLambdaFunction