public string GetAliasName()

{
  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_dm = kg.GetDataModel())
      {
        var dict_types = kg_dm.GetEntityTypes();

        foreach (var kvp in dict_types)
        {
          var entity_type = kvp.Value;
          var role = entity_type.GetRole();
          //note "name" will be the same name as the corresponding
          //feature class or table in the KG's relational gdb model
          var name = entity_type.GetName();
          var alias = entity_type.GetAliasName();
          var objectIDPropertyName = entity_type.GetObjectIDPropertyName();
          //etc

        }

      }
    }
  });
}