Thread: very basic json script

All I'm trying to do is write something in json that will vaildate a form field in a web tool called Fluid Surveys to look for the employee number that a person enters into a form field and then lets them move forward with the survey if their employee number is in the list. Apparently Fluid Surveys will do the heavy lifting and all I'm supposed to do is make and post a json page with the data that it wants me to check against. Everything I've tried so far has failed. I've tried things such as the following:

[1, 2, 3]

and

{
"id": [42, 47, 139]
}

I'm brand new to json and I thank you in advance for any help you can provide.