How to use waygate

How to use waygate

what the trigger to make a units use a waygate to go to one waygate to another one.

If they're at the first waygate, if you tell them to move to the second, they'll take the waygate, cos it's quicker. Laziness at work.

Way gates don't need triggers.
What you need to do. Is place the 2 waygates where you want. Them make a region under each of them. Double click on the waygate then click the square box. Select the region where you want the waygate to go.
And that should be all.