ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Reports Namespace / Report Class / SetDefinition Method
CIMReport

SetDefinition Method (Report)
Applies the changes made to a modified ArcGIS.Core.CIM.CIMReport back to the report. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public void SetDefinition( 
   CIMReport cimReport
)

Parameters

cimReport
CIMReport
Exceptions
ExceptionDescription
This method must be called within the lambda passed to QueuedTask.Run.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.4 or higher.
See Also