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Create a serialization convention like so:

ConventionRegistry.Register("EnumStringConvention", new ConventionPack { new EnumRepresentationConvention(BsonType.String) }, t => true);

Then define an enum like so:

[PublicAPI]
public enum JobCategory
{
   Remodel,
   Repair
}

Finally add a list of enums to your data model

public class JobModel
{
    public List<JobCategory> JobCategories { get; set; } = new List<JobCategory>();
}

Write to mongodb then inspect the bson doc and notice that `JobCategory` is a list of int32 and not a list of strings.

duplicates

CSHARP-2096 Make EnumRepresentationConvention also affect collections of Enums