ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Editing Namespace / MapTopologyProperties Class / Tolerance Property
Example Version

Tolerance Property (MapTopologyProperties)
Gets the topology tolerance. This value is in meters.
Syntax
public new double Tolerance {get;}
Remarks
If a user specified tolerance has been specified, then this value is returned, otherwise the tolerance is the same as the DefaultTolerance
Example
Get map topology properties
var mapTopoProperties = await map.GetTopologyAsync("Map") as MapTopologyProperties;
var tolerance_m = mapTopoProperties.Tolerance;
var defaultTolerance_m = mapTopoProperties.DefaultTolerance;
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.1 or higher.
See Also