Designing with Reports for Oracle Enterprise Performance Management Cloud Working with Books About the Book Designer Working with the Book Designer Action Menu Adding a Data Source Adding a Data Source To add a data source to a Book, when you insert Reports or Books that utilizes additional data sources, perform an action: In the Book Designer, click Action - and then select Manage Data Source. In Manage Data Source, click to open the Add Data Source dialog. In Add Data Source, select the desired data source from the list of available data sources. Click OK to close the Add Data Source dialog. The added data source will appear in the Manage Data Source dialog. Click OK.