ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.Data.Knowledge Namespace / KnowledgeGraphNamedObjectType Class / GetObjectIDPropertyName Method
Example Version

GetObjectIDPropertyName Method
Gets the name of the graph property representing the ObjectID for this named object type. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public string GetObjectIDPropertyName()

Return Value

Exceptions
ExceptionDescription
This method or property must be called within the lambda passed to QueuedTask.Run.
Example
Get KnowledgeGraph Entity Types
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

      }

    }
  }
});
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.2 or higher.
See Also