item combine triggers?

item combine triggers?

May i know how to check if a hero gets A item and B item, it will remove A and B item and gives the hero C item?
Something like Dota Recipe?

How do i do that? Thanks in advance.

Events: Hero acquires an item
Conditions: item type = ....
Actions: If, Then, Else multiple functions:
If: the hero has ... item.
then: remove ... and ...
create 1 ... for hero
else: Do Nothing