POSTMAN - Extract multiple values from a JSON response and store in a variable with comma separated

Question

JSON Response as below:

{ "value":[ { "email": "[email protected]" }, { "email": "[email protected]" }, { "email": "[email protected]" }, { "email": "[email protected]" } ] }

Tried below code snippet:

const responseBody = '{ "value":[ { "email": "[email protected]" }, { "email": "[email protected]" }, { "email": "[email protected]" }, { "email": "[email protected]" } ] }';
var data = JSON.parse(responseBody);
const temp = [];
data.forEach(function(value, i){
if(data.value[i]){
temp[i] = data.value[i].email
}
});
var subscriptions = temp.join(",");
postman.setEnvironmentVariable("testData", temp);

user16540390 · Accepted Answer · 2022-04-05 11:40:22Z

2

data is an object, not an array. It doesn't have a forEach method. You have to iterate over data.value:

const responseBody = '{ "value":[ { "email": "[email protected]" }, { "email": "[email protected]" }, { "email": "[email protected]" }, { "email": "[email protected]" } ] }';
var data = JSON.parse(responseBody);
const temp = data.value.map(value => value?.email);
var subscriptions = temp.join(",");
console.log(subscriptions);
//postman.setEnvironmentVariable("testData", temp);

answered Apr 5, 2022 at 11:40

user16540390

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