|Member_Expression||MDX expression that returns a member.|
This example formula
[Time].CurrentHierarchy.Level will address the particular level of the selected time member. You can use it to check what level it is or use the level to create a current date member:
The formula above will retrieve a member representing the current period on a specific level. For days on timeline it will pull in a data member representing Today. For month on timelime it will pull in a member representing current month.