Autodesk MapGuide Enterprise SDF Writer Parameters
Tolerance

Specifies the X/Y-axis tolerance values for the output SDF3 file. Valid values are floating-point numbers. The tolerances are in distance units that depend on the coordinate system. The default value is 0.0

Specifies the Z-axis tolerance values for the output SDF3 file. Valid values are floating-point numbers. The tolerances are in distance units that depend on the coordinate system. The default value is 0.0
Schema

Defines the default schema name.
Write Settings

Specifies whether the output file should be overwritten, if it exists. If this parameter is set to No, the SDF3 writer will append the new features to the dataset.