I’m trying to create an Array variable for the first time. Not sure how to get past this ‘Invalid value’ error. Any help appreciated!
You would need to type [‘Hourly’, ‘Monthly’, ‘One-time’]
You need to input a valid JSON, something like:
[
"hello",
"workd"
]
or
[
["hello"],
["world"]
]
remember to use double quotes " for strings
Thanks that worked. 
Follow up question please @gbeaudoin. How do I store both a label and value for each item? Similar to what WeWeb allows in the UI for dropdown values:
do you mean how to store them in a variable?
You can try something like this:
[
{"label":"Hourly", "value":"hourly"},
{"label":"One-time", "value":"onetime"}
]
Yep that’s what I meant. Thanks @dorilama!