abp/templates/module/src/MyCompanyName.MyModuleName.Web/MyModuleNameWebAutoMapperProfile.cs

using AutoMapper;

namespace MyCompanyName.MyModuleName
{
    public class MyModuleNameWebAutoMapperProfile : Profile
    {
        public MyModuleNameWebAutoMapperProfile()
        {
            //Create mappings.
        }
    }
}