One of the limitations of the use of Power BI field parameters is that they can't be used in a live connection model. I request this feature to be enabled since field parameters are hyper useful fo...
Allow creating field parameters in live connection data sources
Important to note that the field parameters created in a dataset are not usable in a live connected report. So if I add one, the option to show field values is not there...this is really needed. Hope this gets added soon!!!
