help with 2 trigger....

hi...as a newbe can any body help with a 2 trigger one

to lay all horses that go below odds of 2.9 inplay...................

...and a trigger that would reverse the book----back at lay odds  and lay at back odds...

The first one:

Code: [Select]

Action: lay
amount: default_laya
price: lay_price
Execute: once per market (or once per selection)
Status: in-play
Selections: All matching selections
Conditions: Any selection's lay price is less than 2.9
The second one (to win 100):

Code: [Select]

Action: back
price: lay_price
amount: (100/match_l_book)/lay_price