Multiple Entry can be obtained by following steps :
  
1> Open the property window of the selected Button.
  
2> Select "None" from Type, which will enable the 
button "MultipleEntryField?", which was disabled initially.
  
3> Select "Yes", which will enable the "Select" button,
which was disabled initially.
  
4> Click on "Select" to open Multiple Entry window.
  
5> Select a component from the left List box titled 
"Select Components" and press ">" to put that component to
right List box titled "Selected Components".
  
6> Click on "Done" button to save the changes.
  
7> Click on "OK" button to accept the changes and the user 
returns to the property window.
  
8> Clicking "OK" button the user returns to the OCM user
interface.
