ArcGIS Pro 2.7 API Reference Guide
Or Class
Members 

ArcGIS.Core.Data.UtilityNetwork.Trace Namespace : Or Class
The Or conditional expression is used to perform boolean logic with other conditional expressions.
Object Model
Or ClassConditionalExpression ClassConditionalExpression Class
Syntax
public sealed class Or : ConditionalExpression, IBinaryExpression  
Public NotInheritable Class Or 
   Inherits ConditionalExpression
   Implements IBinaryExpression 
Remarks
The Or conditional expression returns True if either of the constituent expressions returns True. If both of the constituent expressions return False, the Or conditional expression returns false.
Inheritance Hierarchy

System.Object
   ArcGIS.Core.Data.UtilityNetwork.Trace.Condition
      ArcGIS.Core.Data.UtilityNetwork.Trace.ConditionalExpression
         ArcGIS.Core.Data.UtilityNetwork.Trace.Or

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

Or Members
ArcGIS.Core.Data.UtilityNetwork.Trace Namespace