# View failed hooks
**URL:** https://discourse.hookproductivity.com/t/view-failed-hooks/9596
**Category:** Discussion & Help
**Created:** [January 24, 2026, 9:51am UTC](https://discourse.hookproductivity.com/t/view-failed-hooks/9596 "2026-01-24T09:51:54Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@oddballs](https://discourse.hookproductivity.com/u/oddballs)
#### Post date: [January 24, 2026, 9:51am UTC](https://discourse.hookproductivity.com/t/view-failed-hooks/9596/1 "2026-01-24T09:51:54Z")
Hi - is there a way to view a log of some sort to see what error/failure messages may have been returned via the callback made by hook scripts? I am finding it hard to troubleshoot an issue as can’t see why something is failing to hook.
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### Author:  [@oddballs](https://discourse.hookproductivity.com/u/oddballs)
#### Post date: [January 27, 2026, 10:53am UTC](https://discourse.hookproductivity.com/t/view-failed-hooks/9596/2 "2026-01-27T10:53:04Z")
Anybody?
If an an app returns data to the x-error (or x-success) hookmark urls is there somewhere that we as users can see this? i.e. how do we see what error message is returned?
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### Author:  [@oddballs](https://discourse.hookproductivity.com/u/oddballs)
#### Post date: [January 29, 2026, 9:05pm UTC](https://discourse.hookproductivity.com/t/view-failed-hooks/9596/3 "2026-01-29T21:05:15Z")
@LucB - are you able to advise? testing out Hookmark and trying to get 2 of my most used apps set up for use but having trouble. How can i see what is working / not working? should there be an alert from hookmark if an x-error is returned? or a log somewhere that i can access?
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### Author:  [@bchend](https://discourse.hookproductivity.com/u/bchend)
#### Post date: [January 29, 2026, 11:45pm UTC](https://discourse.hookproductivity.com/t/view-failed-hooks/9596/4 "2026-01-29T23:45:08Z")
You can copy and paste the following command in /Applications/Utilities/Terminal, then hit enter:
defaults write com.cogsciapps.hook output.log.to.file 1
Then restart Hookmark. You can find the file in /Users/Your User Name/Library/Logs/com.cogsciapps.hook/
Thank you
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### Author:  [@oddballs](https://discourse.hookproductivity.com/u/oddballs)
#### Post date: [January 30, 2026, 7:31am UTC](https://discourse.hookproductivity.com/t/view-failed-hooks/9596/5 "2026-01-30T07:31:16Z")
Thanks for your reply @bchend -
That log though seems to just be for the app itself. It doesn’t seem to capture any script interactions (success or error).
I’d assume that Hookmark does something when an x-error is returned (i.e. via `hook://x-callback-url/link-to-new-error`). Where would i find these?