Something like:
I have ACCOUNT dimension with a property AUX_DIM and hierarchy:
A1 - AUX_DIM?
A1.1 - AUX_DIM?
A1.2 - AUX_DIM?
A1.2.1 - AUX_DIM?
A1.2.1 - AUX_DIM?
A1.3 - AUX_DIM?
A1.3.1 - AUX_DIM?
A2 - AUX_DIM?
Base members has - AUX_DIM?
Node members has - AUX_DIM?
What do you want to hide?