Lava Spawn from bottom

[keystirras]

Hello, I just created a Lava map, and it is a Get to the top before lava comes kind of thing and i was wondering how to make the lava start from the bottom

[ismellike]

Put lava spawn at bottom and for source block put lavaup

[keystirras]

And how do i put lava spawn at the bottom?

[ismellike]

Like you normally do?

Just change x y z coordinants to a position thats at the bottom, in maps.txt.