NetLogo 7.0.0-beta2:

gis:set-property-value

gis:set-property-value VectorFeature property-name value

Sets the value of the given property of the given VectorFeature. The type of the given value (string or number) must match the property type of the VectorFeature. This command may be used in conjunction with store-dataset to make changes to VectorFeatures and export them back as GIS datasets.

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