ArcGIS Pro 2.6 API Reference Guide
UsedFields Property

ArcGIS.Core.CIM Namespace > CIMStatisticalDataCollectionField Class : UsedFields Property
Gets or sets the additional attribute for 'Script' summary type that defines another fields used by script. These may include featureclass fields (even non-existing in calculator?) and another scripts.
Syntax
public string[] UsedFields {get; set;}
Public Property UsedFields As String()
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

CIMStatisticalDataCollectionField Class
CIMStatisticalDataCollectionField Members