How to add the authorization in api gateway object

Serverless Framework
1

How to add authorization in the serverless.ts file as we do in serverless.yml file

Serverless.ts
apiGateway: {
minimumCompressionSize: 1024,
shouldStartNameWithService: true,

    }

Serverless.yml

MyApi:
Type: AWS::Serverless::Api
Properties:
StageName: dev
Auth:
DefaultAuthorizer: MyLambdaTokenAuthorizer
Authorizers:
MyLambdaTokenAuthorizer:
FunctionArn: !GetAtt MyAuthFunction.Arn

Please help me out finding way to attach the lambda authorization.