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Bug

Output parameters are not reflected after running script geoprocessing tools in ArcGIS Pro.

ArcGIS Pro
Bug ID Number BUG-000161644
SubmittedSeptember 25, 2023
Last ModifiedMay 12, 2025
Applies toArcGIS Pro
Version found3.2 Beta
Operating SystemWindows OS
Operating System Version11.0
StatusAs Designed

Additional Information

When defining geoprocessing parameters, the expected way to configure the default value is by setting the value within the 'Default' column of the 'Tool Properties: Parameters' control. If modification is required during the script execution or validation, updating the input parameters works within initializeParameters; output values are derived by default and have a value set. However, the output parameters can still be set by updating them in the updateParameters block rather than within initializeParameters, after the tool validation has been executed.

Steps to Reproduce

Bug ID: BUG-000161644

Software:

  • ArcGIS Pro

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