macOS Applescript doesn't understand replace_chars

[blackboxideas]

I was attempting to figure out a way to strip out text from the 'calendar summary' action within Automator.
(Attempting to answer an old question raised on the Automator G+ group).

Currently my workflow grabs the weeks calendar events, attempts to strip out the information from the summary action to just leave the event names, then sends these to notification event.

I figured I'd be able to use Applescript to replace the text I didn't need but when I run the action I get the error:

<<script>> doesn't understand the "replace_chars" message.

Now I may be trying to pass Applescript something in a format it doesn't like, but I'm not too familiar with how this works...

Here's a link to my workflow (can't seem to attach a zip of it!), but does anyone know what I may be doing wrong, or can point me in the right direction?

 

[Red Menace]

You need to include the code for the replace_chars handler.

 

[superscape]

Yup.

To expand on what Red Menace says, "replace_chars" is a handler (or function, if you prefer). Think of it as a user-defined command that takes some parameters. If you haven't defined that function in your code then you'll get an error like the one you see.

There should be something in your code like this:

on replace_chars(something)
--some stuff here
end

More info about handlers here:

https://developer.apple.com/library...LangGuide/conceptual/ASLR_about_handlers.html

 

[blackboxideas]

Brilliant, thank you guys. I'd been doing some googling and had assumed replace_chars was something I could just call, rather than needing to define the function.
Cheers for the link to the docs too - somehow I'd missed that, should help massively!