This property can be used to specify an IdentitySource in an incoming request for an authorizer. For more information about IdentitySource see the ApiGateway Authorizer OpenApi extension.
To declare this entity in your AWS Serverless Application Model (AWS SAM) template, use the following syntax.
[ReauthorizeEvery](#sam-api-lambdatokenauthorizationidentity-reauthorizeevery): Integer
[ValidationExpression](#sam-api-lambdatokenauthorizationidentity-validationexpression): String
ReauthorizeEvery
The time-to-live (TTL) period, in seconds, that specifies how long API Gateway caches authorizer results. If you specify a value greater than 0, API Gateway caches the authorizer responses. By default, API Gateway sets this property to 300. The maximum value is 3600, or 1 hour.
Type: Integer
Required: No
Default: 300
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.
ValidationExpression
Specify a validation expression for validating the incoming Identity.
Type: String
Required: No
AWS CloudFormation compatibility: This property is unique to AWS SAM and doesn't have an AWS CloudFormation equivalent.
Identity:
Header: Auth
ValidationExpression: Bearer.*
ReauthorizeEvery: 30