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I am looking for in-depth links for docs on parameter datatypes for adding custom scripts to a custom toolbox. For example, a parameter data type "Extract Values". What does this do? What config options are there? So on.. Thanks.

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up vote 3 down vote accepted

Arcgis 10 Desktop help: Data types for geoprocessing tool parameters

pdf of docs --

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Though "Extract Values" isn't there...good thing...then how would I fill my need to click buttons erratically! – Justin Nov 2 '11 at 20:25

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