# Is it possible to modify DUT class properties inside .TestPlan xml file?

**URL:** <https://forum.opentap.io/t/is-it-possible-to-modify-dut-class-properties-inside-testplan-xml-file/2593>\
**Category:** General\
**Created:** [December 8, 2025, 10:02am UTC](https://forum.opentap.io/t/is-it-possible-to-modify-dut-class-properties-inside-testplan-xml-file/2593 "2025-12-08T10:02:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![abel1](https://avatars.discourse-cdn.com/v4/letter/a/a8b319/32.png) [@abel1](https://forum.opentap.io/u/abel1)\
**Post date:** [December 8, 2025, 10:02am UTC](https://forum.opentap.io/t/is-it-possible-to-modify-dut-class-properties-inside-testplan-xml-file/2593/1 "2025-12-08T10:02:00Z")

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Hi evetyone,

I have created a few test steps in python and I have also created a DUT for them. I would like to modify DUT class properties inside the testplan but I only see the properties listed for each test step. Is it possible to add DUT properties inside testplan?