want to use SQL function that returns XML as datasource to SSRS report in 2008R2

HI All,I am trying to use a SQL function which returns XML as a datasource for an SSRS report 2008R2.I am not sure how this is posible. 1. I have created SQL datasource since i need to execute the SQL function which returns XML2. Next i have created a dataset with the above datasource, but the problem is here. I need the XML nodes to be recognised ad fields which is not happening.Any suggestions or best practises please.Regards,Madhan