i have api management with in internal network with URL - "apimgmnt.azure-api.net" and having API :- apimgmnt.azure-api.net/hello"
also configured application gateway with url - "appgateway.cloudapp.azure.com" and access the API as appgateway.cloudapp.azure.com/hello
now i want to access this url by using "hello.appgateway.cloudapp.azure.com" which should be redirect to apimgmnt.azure-api.net/hello
what changes and transformation policy should i apply on api management level and application gateway url