The order of the Resources in the scenario tree structure is important, as it governs which Resource is scheduled first. To change the order of the Resources in a particular scenario, you should highlight the Resource and drag it to a new position in the tree. Note that the Resources must remain under Resources item in the tree structure.

The order of the resources is also important in some XCM functions. For example, one of the inputs for the function GetResourceName is the resource number in the scenario tree. Moving the resources around in the tree may therefore have an impact on any XCMs using such functions.