How to trigger trains without 'wait for trigger' (specific situation)

Hello,
I'm creating a session for the Marias Pass Route X. I noticed that, in the included sessions, some trains are triggered at certain points, but before that the command list is empty. How can I replicate this in my own session? My 'wait for trigger' command is unreliable.

I use the post message and wait for message and clear commands. The waiting train has the wait command and the train passing a TM has the post command. Other trains can pass the TM without sending a message.

The Schedule Driver Rule (details at http://online.ts2009.com/mediaWiki/index.php/Session_Rule_List_with_Parameters#Schedule_Library_Rule) stores lists of driver commands that can be added into a drivers command bar during the running of a session. You can use the Trigger Check Rule (details at http://online.ts2009.com/mediaWiki/index.php/Session_Rule_List_with_Parameters#Trigger_Check_Rule) to copy a stored list of commands to a driver.

An example is shown at http://online.ts2009.com/mediaWiki/...xample_2:_Event_Counter_and_Message_Selection

Just confirming pware answer. I use these at several places. They work and are the answer to "wait for trigger"; this in paper is ideal, but due to time error, it does not work unless you have a couple of trains. Trigger check maybe a little hard to set, but once you get the logic hang of it, is a breeze, and once set it will stay there forever.