ModelBuilder was built using ArcObjects, and supports the following Esri ArcGIS Geodatabase functionality. See your ArcGIS documentation for more information about ArcObjects. For more information, see:

• “Geodatabase Features”
• “Geometric Networks”
• “ArcGIS Geodatabase Features versus ArcGIS Geometric Network”
• “Subtypes”
• “SDE (Spatial Database Engine)”