Drillthrough in Canvas

Since TM1 10.2.2 FP6, the drill through has been added to the TM1 REST API. You don't need to do anything on the Canvas side to enable the drill. If the drill is set up in TM1, it will appear as an option in the context button. An example of drill through is available in the Full Dashboard example: 

Once you click drill, you'll see the cube view which is defined in the TM1 drill process. In the example below there are 2 drill processes, one called "Source Table" and the other one called "Transactions":

If you drill the same cell in TM1:

You'll see that in TM1 you'll have access to the same drills: