public IReadOnlyList<KnowledgeGraphProperty> GetProperties()

//Use GetDocumentEntityTypeName(KnowledgeGraphDataModel kg_dm) from
//the 'Get Whether KG Has a Document Type' snippet to
//get the documentNameType parameter
bool HasGeometry(KnowledgeGraphNamedObjectType kg_named_obj)
{
  var props = kg_named_obj.GetProperties();
  return props.Any(prop => prop.FieldType == FieldType.Geometry);
}

{
  await QueuedTask.Run(() =>
  {
    //Create a connection properties
    var kg_props =
        new KnowledgeGraphConnectionProperties(new Uri(url));
    using (var kg = new KnowledgeGraph(kg_props))
    {
      //Get the KnowledgeGraph Data Model
      using (var kg_datamodel = kg.GetDataModel())
      {
        var entities = kg_datamodel.GetEntityTypes();
        var relationships = kg_datamodel.GetRelationshipTypes();
        var provenance = kg_datamodel.GetMetaEntityTypes();

        var all_graph_types = new List<KnowledgeGraphNamedObjectType>();
        all_graph_types.AddRange(entities.Values);
        all_graph_types.AddRange(relationships.Values);
        all_graph_types.AddRange(provenance.Values);

        System.Diagnostics.Debug.WriteLine("\r\nGraph Types");

        int c = 0;
        foreach (var graph_type in all_graph_types)
        {
          var type_name = graph_type.GetName();
          var role = graph_type.GetRole().ToString();

          //equivalent to:
          //var fields = featClassDef.GetFields().Select(f => f.Name).ToList();
          //var field_names = string.Join(",", fields);
          var props = graph_type.GetProperties().Select(p => p.Name).ToList();
          var prop_names = string.Join(",", props);

          System.Diagnostics.Debug.WriteLine($"[{c++}]: " +
              $"{type_name}, {role}, {prop_names}");
        }
      }
    }
  });
}