Example of using AutoMapper to convert a EF generated POCO to a CRM entity.

AutomapperExample.cs

using AutoMapper;
using Microsoft.Xrm.Sdk;

public class AutoMapperProfile : Profile
{
  protected override void Configure()
  {
    this.RecognizePrefixes("new_");
    
    this.CreateMap<stg_Contact, Contact)
      .ForMember(dest => dest.ParentCustomerId, o => o.MapFrom(src => new EntityReference(Account.EntityLogicalName, src.ParentCustomerId)));
  }
}