# setParameterAttributes via API returns 'invalid task name'

**URL:** <https://forum.genieacs.com/t/setparameterattributes-via-api-returns-invalid-task-name/2309>\
**Category:** Uncategorized\
**Created:** [January 6, 2022, 12:27pm UTC](https://forum.genieacs.com/t/setparameterattributes-via-api-returns-invalid-task-name/2309 "2022-01-06T12:27:15Z")\
**Posts on this page:** 1\
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**Author:** ![akcoder](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.genieacs.com/akcoder/32/11_2.png) [@akcoder](https://forum.genieacs.com/u/akcoder)\
**Post date:** [January 6, 2022, 5:33pm UTC](https://forum.genieacs.com/t/setparameterattributes-via-api-returns-invalid-task-name/2309/2 "2022-01-06T17:33:33Z")

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It is possible, but it appears to only be doable with provision scripts.

> [@SetParameterAttributes for ValueChangeNotification](https://forum.genieacs.com/t/setparameterattributes-for-valuechangenotification/1268):
>
> Hi, I’m currently trying to configure a FritzBox to send a “4 VALUE CHANGE” notification to my GenieACS Server. I found this discussion in your forum: But I’m lost on the exact syntax I have to use in my provision. Do I have to pass a special value in the “timestamp” field of my declare function? Thanks in advance!

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