# Run a TOOL Command, based on selection, in a SINGLE WINDOW

**URL:** https://community.mp3tag.de/t/run-a-tool-command-based-on-selection-in-a-single-window/55787
**Category:** Support
**Created:** [January 7, 2022, 9:39am UTC](https://community.mp3tag.de/t/run-a-tool-command-based-on-selection-in-a-single-window/55787 "2022-01-07T09:39:35Z")
**Posts on this page:** 1
**Showing post:** 17

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### Author: ![wneclass2018](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/w/cdc98d/32.png) [@wneclass2018](https://community.mp3tag.de/u/wneclass2018)
#### Post date: [January 9, 2022, 12:08am UTC](https://community.mp3tag.de/t/run-a-tool-command-based-on-selection-in-a-single-window/55787/17 "2022-01-09T00:08:29Z")

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Apologies, but I was unable to comprehend what you asked of me, but, with one draw back, in which I will elaborate on, I did manage to figure it out via a previous post, provided by @poster, [passing multiple selected items to external tool - #3 by tezza](https://community.mp3tag.de/t/passing-multiple-selected-items-to-external-tool/16451/3)

The only draw back, from the MTE below, is that I can only process/export one file at a time, regardless of when I select the files I want processed or not. Moreover, I created an "ACTION" which did not work at all, for some reason. Anyway, you or anyone in this post can tell me what I am missing in the attacked .mte below

[mkvpropedit\_set creation time to encoded time.mte](https://community.mp3tag.de/uploads/short-url/30iU3Q3IhgCWWdbY7H2SB5YytZJ.mte) (2.0 KB)

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