How to discover new PDB targets in EM12c

I just created a new Pluggable database in my container, PDB2. I want to discover it in EM12c Rel 3.

Go to Setup -> Add Target -> Add Targets Manually

Choose "Add Targets Using Guided Process", for Targets type choose Oracle Database, Listener and ASM

Specify host, then click next

Input the pass and then Next

Review the findings and click save

The confirmation window appears

Going to Targets -> Databases, you can find the pluggable database in the list.