Get certified for free when you join Fabric Data Days 2026 and dive into Fabric, Power BI, SQL, AI, and other essential data skills.
Join nowJuly 7 - July 17 | Round 2 of the Power BI Dataviz World Championships. Don't miss your chance! Learn more
Hi,
I have created a Custom PowerBI connector which calls a Rest API with some parameters e.g.
1) URL
2) ObjectId
3) StartDate
4)EndDate
5) EntityIds ( optional)
The connector works well on powerBI desktop and also on PowerBI service. But it seems I have to create multiple versions of data sources for the same URL and ObjectId, to cater for users needing to report against different Start and End Dates.
I tried to work around it yt adding startdate and enddate parameters to the datasets and mapping them to the connector parameters in PowerQuery. But I get "Update Parameter Failed" everytime I change the dataset parameters and click apply . Also there is nothing in the gateway logs.
Interestingly, same thing happens when I try to update the optional parameter above i.e. EntityIds.
So, my question is is it by design that the data source definittion once created (with all required parameters) cannot be overwritten by dataset parameters or is a limitation of custom connectors at the moment? If so, is there a way around it
Cheers,
AK
Join us in Barcelona for FabCon and SQLCon, the Fabric, Power BI, SQL, and AI community event. Save €200 with code FABCMTY200.
Join Data Days 2026: 60 days of free live/on-demand sessions, challenges, study groups, and certification opportunities.
| User | Count |
|---|---|
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 1 |
| User | Count |
|---|---|
| 4 | |
| 4 | |
| 3 | |
| 2 | |
| 2 |