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| ArcObjects namespaces > Geoprocessing > ESRI.ArcGIS.Geoprocessing > Interfaces > IG > IGPCustomTool Interface (ArcObjects .NET 10.4 SDK) | 
Provides access to methods on a custom geoprocessing tool object.
| Description | ||
|---|---|---|
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ToolExtension | The tool extension associated with the tool. |