ArcGIS Pro 3.3 API Reference Guide
ArcGIS.Desktop.Core Namespace / CustomItemBase Class / Fetch Method

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    Fetch Method
    In This Topic
    Overload List
    OverloadDescription
    Custom items that are containers should implement fetch to populate their child items when they are expanded for the first time in Catalog.  
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also