# vtkEventData based classes are not Python-wrapped

**URL:** <https://discourse.vtk.org/t/vtkeventdata-based-classes-are-not-python-wrapped/1044>\
**Category:** Support\
**Created:** [May 29, 2019, 3:47pm UTC](https://discourse.vtk.org/t/vtkeventdata-based-classes-are-not-python-wrapped/1044 "2019-05-29T15:47:58Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![ben.boeckel](https://discourse.vtk.org/letter_avatar_proxy/v4/letter/b/ea5d25/32.png) [@ben.boeckel](https://discourse.vtk.org/u/ben.boeckel)\
**Post date:** [May 29, 2019, 3:50pm UTC](https://discourse.vtk.org/t/vtkeventdata-based-classes-are-not-python-wrapped/1044/2 "2019-05-29T15:50:17Z")

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I think that direct `vtkObjectBase`-derived classes need special support in the wrappers. Though I don’t see special bits for `vtkInformationKey`, so maybe that assumption isn’t accurate.

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