How to find Object Type for Navigation (Drill down)?

How to find Object Type for Navigation (Drill down)?

Sometimes there are several business objects with the same description or object cannot be found easily.
In such case the following method can be used:
  1.       Run standard transaction of required business object.
  2.       Select My Objects -> Add to My Objects in GOS (Generic Object Service) menu.
  3.       Run transaction SE16 execute query on DB table SMYOTREE with USER_NAME=<current_user>.
  4.       Sort results by TIMESTAMP descendingly and copy the value of OBJTYPE.