ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMTextSymbol Class / Callout Property

Callout Property (CIMTextSymbol)
Gets or sets the callout or background of the text with optional leader lines.
Syntax
public CIMCallout Callout {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also