e2a2e92e____DLPs_D100_to_D199___DocWiki__Steps
[Domain action] Preview domain contents [Steps] 
Right-click the domain icon and choose Show Domain Overview. The domain icon shows a small preview of the nodes in the domain. To turn off the domain overview, right-click the overview and select Show Domain Overview.
ONS 15454 SDH Procedure Guide R8.5.1 -- DLPs D100 to D199 - DocWiki