Factorio Forums

the "wild card" train interupt things descriptson makes no menctson of the fact that it only checks for items already in its cargo "when used in schedule interupt, it will match the first item that passes all wait conditsons and replace the signal with that item" not the first item in its inventory the first item peried.

Of course the "Item parameter" wildcard needs an item, just like the "Signal parameter" wildcard needs a signal. NaB.