Pre Processor Scripts

Pre-processor scripts are code snippets executed before a request is sent to the server. They are ideal for dynamic setup tasks, such as generating timestamps, calculating signatures, or setting random data.

Example: Adding a Timestamp

You can generate a timestamp and store it in an environment variable to use in your request headers.

Add Script: In the Pre Processors tab, add a Custom Script.

Use Variable: In the Headers tab, reference the variable using {{timestamp}}.

When the request sends, {{timestamp}} will be replaced with the calculated value.

TIP

Pre-processors function similarly to post-request scripts but do not have access to the pm.response object since the response has not yet been received.

Pre Processor Scripts

Example: Adding a Timestamp#

Example: Adding a Timestamp