azure api manager terraform queries

I am planning to use azurerm_api_management with the help of terraform. https://www.terraform.io/docs/providers/azurerm/r/api_management.html

unable to find reference to integrate it with vnet and subnet for my backend services.
how can we provide our own custom domain name to azure api manager so that these REST API accessible over this URL e.g. api.dev.mycompany.com

Solution

For custom hostnames support should be there, see here https://www.terraform.io/docs/providers/azurerm/d/api_management.html argument hostname_configuration defines how you can specify custom hostnames for different APIM endpoints.