Variable syntax ({{variable}}) in Postman - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to correctly reference a variable in Postman.

Postman

pm.environment.set([1], '12345');

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

A'userId'

BuserId.value

C{{userId}}

DuserId

Attempts:

3 left

💡 Hint

Common Mistakes

Using {{userId}} directly without quotes causes syntax errors.

Using variable.value is incorrect for setting variables.

In Postman scripts, variable names must be passed as strings when setting environment variables.

2fill in blank

medium

Complete the code to retrieve a variable value using Postman variable syntax.

Postman

const token = pm.variables.get('[1]');

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

Atoken

Bpm.variables

CauthToken

D{{authToken}}

Attempts:

3 left

💡 Hint

Common Mistakes

Including curly braces inside the string causes the variable not to be found.

Passing the variable object instead of its name.

When retrieving a variable, pass the variable name as a string without curly braces.

3fill in blank

hard

Fix the error in the code to correctly use a variable in a request URL.

Postman

const url = `https://api.example.com/users/$[1]/details`;

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

Apm.variables.get('userId')

BuserId

C{{userId}}

D'userId'

Attempts:

3 left

💡 Hint

Common Mistakes

Using {{userId}} inside backticks does not get replaced automatically.

Using the variable name as a string does not insert the value.

Inside template literals, you must embed JavaScript expressions, not Postman variable syntax.

4fill in blank

hard

Fill both blanks to correctly set and then use a variable in Postman scripts.

Postman

pm.environment.set('[1]', '12345');
const id = pm.environment.get('[2]');

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

AsessionId

BuserId

DauthToken

Attempts:

3 left

💡 Hint

Common Mistakes

Using different variable names causes undefined values.

Omitting quotes around variable names causes errors.

Use the same variable name when setting and getting to maintain consistency.

5fill in blank

hard

Fill all three blanks to create a dynamic request URL using Postman variables.

Postman

const baseUrl = pm.environment.get('[1]');
const user = pm.variables.get('[2]');
const fullUrl = `$[3]/users/${user}/profile`;

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

Abase_url

Busername

CbaseUrl

DuserId

Attempts:

3 left

💡 Hint

Common Mistakes

Using Postman variable syntax inside template literals instead of JavaScript variables.

Mismatching variable names between get() calls.

Retrieve variables by their names as strings, then use JavaScript variables inside template literals.