Collection variables in Postman - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set a collection variable named 'token' with value 'abc123'.

Postman

pm.collectionVariables.set('[1]', 'abc123');

Drag options to blanks, or click blank then click option'

Atoken

BauthToken

CsessionId

DuserId

Attempts:

3 left

💡 Hint

Common Mistakes

Using a wrong variable name like 'authToken' instead of 'token'.

Forgetting to put the variable name as a string.

The collection variable name is 'token'. This code sets it to 'abc123'.

2fill in blank

medium

Complete the code to get the value of the collection variable 'userId'.

Postman

const userId = pm.collectionVariables.get('[1]');

Drag options to blanks, or click blank then click option'

AauthToken

BuserId

CsessionId

Dtoken

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different variable name like 'token' instead of 'userId'.

Not using quotes around the variable name.

To get the value of the collection variable 'userId', use pm.collectionVariables.get('userId').

3fill in blank

hard

Fix the error in the code to correctly delete the collection variable named 'sessionId'.

Postman

pm.collectionVariables.[1]('sessionId');

Drag options to blanks, or click blank then click option'

Adelete

Bremove

Cunset

Dclear

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'remove' or 'unset' which are not valid methods.

Using 'clear' which clears all variables, not one.

The correct method to delete a collection variable is delete. So use pm.collectionVariables.delete('sessionId').

4fill in blank

hard

Fill both blanks to check if the collection variable 'token' exists and then log its value.

Postman

if (pm.collectionVariables.[1]('[2]')) {
  console.log(pm.collectionVariables.get('token'));
}

Drag options to blanks, or click blank then click option'

Ahas

Bexists

Ccontains

Dtoken

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'exists' or 'contains' which are not valid methods.

Using wrong variable name in the second blank.

The method to check if a collection variable exists is has. The variable name is 'token'.

5fill in blank

hard

Fill all three blanks to update the collection variable 'count' by increasing its value by 1.

Postman

let current = parseInt(pm.collectionVariables.get('[1]')) || 0;
current = current [2] 1;
pm.collectionVariables.set('[3]', current.toString());

Drag options to blanks, or click blank then click option'

Acount

B+

D-

Attempts:

3 left

💡 Hint

Common Mistakes

Using '-' instead of '+' causing decrement.

Using different variable names in get and set.

We get the 'count' variable, add 1 using '+', then set it back to 'count'.