Check if Item exists and Check if there is transformation

[5iver (Scott Rushworth)]

Similar question asked and answered here…

[Rules DSL] Get item from string name!

I’m curious to see an example where other means could not be used to ensure that the Item exists. Using the ItemRegistry may be the easiest, but it comes with a performance hit, so it would be best to find another way. That said, there are other useful ItemRegistry methods. In Jython, I use this to check for the existence of an Item… if ir.getItems("Current_Timestamp") == []: This is not used in a rule, but in a script that is creating Items if they do not already exist. This uses ItemRegistr…

You might want to put the transform value into a variable first. Or as Rich suggested, use a try/catch.