conditional value list based off two feilds

[VICH]

all conditional value lists i have done have been baseed off one other field....how can i set it up that when two different fields equal a certian criteria a thrid feild is populated

[Zero Tolerence]

Set up an equajoin relation ship where those first two fields = to a table that contains those same two fields and then the values of the third field.

Then, just make your pop up based off of that relationship.

If you want an example let me know.