EF Code First Association Table

EF Code First Association Table.cs

//From Model Builder
modelBuilder.Entity<ThisTable>().
      HasMany(c => c.OtherTable).
      WithMany(p => p.AssocTable).
      Map(
       m =>
       {
         m.MapLeftKey("ThisId");
         m.MapRightKey("OtherId");
         m.ToTable("AssocTable");
       });

//From entity configuration class
            HasMany(p => p.OtherTable).WithMany().Map(assoc =>
            {
                assoc.MapLeftKey("ThisId");
                assoc.MapRightKey("OtherId");
                assoc.ToTable("MakeUpANameForYourNewAssocTable");
            });