How to run one request from another using Pre-request Script in Postman

Question

I\'m trying to send an authenticated request with one click in postman.

So, I have request named \"Oauth\" and I\'m using Tests to store the token in a local variable.

Answer 1

You can add a pre-request script to the collection which will execute prior to each Postman request. For example, I use the following to return an access token from Apigee

const echoPostRequest = {
  url: client_credentials_url,
  method: 'POST',
  header: 
      'Authorization: Basic *Basic Authentication string*'

};

var getToken = true;

if (!pm.environment.get('token'))

{
    console.log('Token  missing')

}
else 
{

    console.log('Token all good');
}

if (getToken === true) {
    pm.sendRequest(echoPostRequest, function (err, res) {
    console.log(err ? err : res.json());
        if (err === null) {
            console.log('Saving the token');
            console.log(res);
            var responseJson = res.json();
            console.log(responseJson.access_token);
            pm.environment.set('token', responseJson.access_token)


        }
    });
}