You can map a discriminator column to an enum type by first creating the enum and then mapping the TPH inheritance by using the enum type as a generic parameter to the HasDiscriminator method.

Here is an example:

language-csharp
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public enum AnimalType
{
    Cat,
    Dog
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Animal>()
.HasDiscriminator<AnimalType>("DiscriminatorColumnName")
.HasValue<Cat>("Cat")
.HasValue<Dog>("Dog");
}