Extract value from array of objects in Postman

Question

I want to extract Id value from the array with objects in Postman and then set it as an environment variable. In case JSON response is an object, the following script works, but not with an array of objects (my array has only one object).

var data = JSON.parse(responseBody);
postman.setEnvironmentVariable("userid", data.Id);

JSON response:

[
  {
    "Id": 1287,
    "LastName": "Trump",
    "FirstName": "Donald",
    "MiddleName": "Von",
    "City": "New York City",
    "Phone": "66 77 88",
    "State": "New York",
    "Fax": "111-222-333",
    "ReferenceId": "12345",
    "Active": false,
    "CurrentWorkingSchemeId": null
  }
]

Does this answer your question? How to get the first element of an array? — Henke
– Henke, Commented Feb 2, 2021 at 16:45

Veener · Accepted Answer · 2017-02-17 08:20:00Z

32

If it is an array of objects, then just select the first object using index [0] before grabbing the object's key like this:

var data = JSON.parse(responseBody);   
postman.setEnvironmentVariable("userid", data[0].Id);

edited Feb 17, 2017 at 8:20

Veener

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answered Feb 15, 2017 at 18:30

A l w a y s S u n n y

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2 Comments

xUrko Over a year ago

Great. Works like a charm :)

Zeinab Abbasimazar Over a year ago

@UrošKočevar, I think you should accept it as the answer.

Community · Accepted Answer · 2024-04-22 10:58:29Z

2

Use if on loop for find value from array object. I try it and it work.

var jsonData = JSON.parse(responseBody);
    for (var i = 0; i < jsonData.data.length; i++) `
    {
    var counter = jsonData.data[i];
    if(counter.name == “Trump”){
postman.setEnvironmentVariable("schID", counter.id);
    }
    }

edited Apr 22, 2024 at 10:58

CommunityBot

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answered Jul 25, 2018 at 13:28

Sobhit Sharma

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2 Comments

Chop Labalagun Over a year ago

I was looking something like this i wonder if can execute a request for each value extracted from the array?

Simple Fellow Over a year ago

for(const item of jsonData) { /* use item here in loop */ }

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