Hello Henk,
Thank you for contacting Telerik support.
As far as I understand you are asking if it is possible to display other resources when RadScheduler is grouped by one resourceType. Unfortunately this scenario, as well as grouping by more than one ResourceType, are not supported scenarios in RadScheduler.
Please excuse us for this limitation of the control.
Hope this will explain the issue. If you have further questions please feel free to contact us again.
Regards,
Plamen
Telerik
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