ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / UniqueValueRendererDefinition Class / FieldDelimiter Property

FieldDelimiter Property
Gets or sets a string to as delimiter while concatenating values from multiple fields.
Syntax
public string FieldDelimiter {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also