**To update an authorizer** The following ``update-authorizer`` example changes a JWT authorizer's identity source to a header named ``Authorization``. :: aws apigatewayv2 update-authorizer \ --api-id a1b2c3d4 \ --authorizer-id a1b2c3 \ --identity-source '$request.header.Authorization' Output:: { "AuthorizerId": "a1b2c3", "AuthorizerType": "JWT", "IdentitySource": [ "$request.header.Authorization" ], "JwtConfiguration": { "Audience": [ "123456abc" ], "Issuer": "https://cognito-idp.us-west-2.amazonaws.com/us-west-2_abc123" }, "Name": "my-jwt-authorizer" } For more information, see `Controlling access to HTTP APIs with JWT authorizers <https://docs.aws.amazon.com/apigateway/latest/developerguide/http-api-jwt-authorizer.html>`__ in the *Amazon API Gateway Developer Guide*.