How can I view under mask of the block "Orbit Propagator"

Is it possible to view under mask of "Aero Blockset/Spacecraft/Spacecraft Dynamics/Orbit Propagator"?

I want to exam detail of the block.

Right click the block, "Mask/Look Under Mask" is disabled, i cant found anyway to open it.

open_system('aerolibsatdyn/Attitude Profile (Nadir Pointing)','force')
%% which open under mask of "Attitude Profile (Nadir Pointing)" successully
open_system('aerolibsatdyn/Orbit Propagator Numerical (high precision)','force')
%% which only open dialog of "Orbit Propagator Numerical (high precision)"

Answer 1

[Fangjun Jiang]

It does not seem to be a masked block.

Double click the 'Attitude Profile (Nadir Pointing)' block, it opens the parameter dialog. The label of the top panel shows 'Attitude Profile (mask)'.

The other one does not have the '(mask)' mark.

[Xu Dong]

Is it the block hide inside intended and no way to see?

[Fangjun Jiang]

It is likely a built-in block, like the commonly used Gain block.

It has its own block type 'OrbitPropagator'. The block type for the Gain block is 'Gain'.