Accessing variables inside of response array

Question

I have a GET request which returns an array of bodies:

[
    {
        "id": "79ad1daf-54f0-49cf-8628-7fb38457fdd1",
        "deviceId": "wowSomeRandomName",
        "deviceName": "wowSomeRandomName",
        "iconUrl": "/i/devicepics/smart_tv.svg",
        "lastUse": "2018-12-13T10:05:00.609Z"
    }
]

And I need to set these variables as global variables. I understand how to do that for external bodies outside of an array:

pm.environment.set("deviceUUID", pm.response.json().id);
pm.environment.set("deviceId", pm.response.json().deviceId);
pm.environment.set(. . . .);
and etc.

But what to do when they are inside of [ ]?

Pavan Skipo · Accepted Answer · 2018-12-13 10:59:47Z

2

I think you can first convert the response to JSON then operate on that:

var responseData = JSON.parse(response);
pm.environment.set("deviceUUID", responseData[0].id);
pm.environment.set("deviceId", responseData[0].deviceId);
and etc

got this idea from: https://learning.getpostman.com/docs/postman/scripts/test_examples/

please let me know if this doesn't work.

answered Dec 13, 2018 at 10:59

Pavan Skipo

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4 Comments

Danny Dainton Over a year ago

That would work but you can just use pm.response.json()[0] you don't need to declare a variable to parse the response data. Also, this will only work if you want to get the first object in the list and you would need to loop through array to get other values from other objects.

NaiJi Over a year ago

I got what you mean! The code what you sent isn't executable: response is not defined But I rewrote the request this way: pm.environment.set("deviceUUID", pm.response.json()[0].id); pm.environment.set("deviceId", pm.response.json()[0].deviceId); And it works! Thank you!

Danny Dainton Over a year ago

That works if you're using the native app and not the older chrome extension pm.environment.set("deviceUUID", pm.response.json()[0].id) - You basically had it correct but you were missing the [0], in your example.

NaiJi Over a year ago

Yep, I didn't know how to get the exact [0] cell in context of json() function. Thank you again

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