Summary
Determines whether geoprocessing operations are written to dataset metadata.
Discussion
To enable the update of dataset metadata, use the SetLogMetadata function.
Syntax
GetLogMetadata ()
| Data Type | Explanation | 
| Boolean | Returns whether geoprocessing operations are written to dataset metadata. | 
Code sample
Disable the update of dataset metadata, if enabled.
import arcpy
if arcpy.GetLogMetadata():
    arcpy.SetLogMetadata(False)