authorization
The authorization type for the route. For WebSocket APIs, valid values are `NONE` for open access, `AWS_IAM` for using AWS IAM permissions, and `CUSTOM` for using a Lambda authorizer. For HTTP APIs, valid values are `NONE` for open access, `JWT` for using JSON Web Tokens, `AWS_IAM` for using AWS IAM permissions, and `CUSTOM` for using a Lambda authorizer.