Note condition on "Alt. Combined fragment"

I drew a sequence diagram on VP UML Community Edition. i want to show several alternative interactions, i used alt Combined fragment tool of Sequence toolbar. So, i want to create a operand for each alternative, but i don’t how to step by step to do this!!
every once help me!!
thanks.

Hello rubyjava,

You can right click on the combined fragment and select Operand > Add Operand to add a new Operand. After that you can use the Edit Operand or Manage Operands menu to define the condition. Feel free to contact me if you need any help.

Best regards,
Rain
add_operand.png