Problem with specifying allowed keys via script (or variable in xlsx file)

[holmit]

re:

@Michael

@holmit

The allowed keys are set to possibleKeys WITHOUT the $ that is otherwise use to set object properties,
as indicated in an earlier post on the topic.

Can you show the post that says that? This is the opposite of what I’d suggest: that you should use the prefix like $possibleKeys to indicate to Builder that you have provided a variable name rather than a literal list of keys.

In the below topic, the pen-ultimate message says that the dollar sign ($) should not be used.

Specify allowed key responses in loop through conditions file

**Win10 **PsychoPy version 3.07 I am looping over a keyboard response component and want to specify the allowed keys for each loop iteration in a conditions file. To do so, I set the value for “Allowed keys” to “$key” and created a conditions file with a column which looks like this: **key ‘1’,‘2’,‘3’,‘4’,‘5’,‘6’,‘7’ ‘1’,‘2’,‘3’,‘4’,‘5’,‘6’,‘7’ ‘1’,‘2’,‘3’,‘4’,‘5’,‘6’,‘7’ ‘1’,‘2’,‘3’,‘4’,‘5’,‘6’,‘7’ ‘y’,‘n’ ** However, when I tried running the experiment, I got an error (see below). A…

It also makes sense, as in the builder view, the $ is already there in front of the allowed keys box