Correlation
Correlation allows you to link steps together. For instance, you can design a test scenario to evaluate your authentication process by taking the following steps: First, obtain the authentication token from the response of a login request. Then, insert the extracted token into subsequent requests. This short example demonstrates how correlation works in practice.
Capture Value from the Response
Click the More button located to the right of the step and open the "Step Details" section.
To capture a value from the response of a step, go to the "Capture" tab in the "Step Detail" section and follow these steps:
Give a unique name to a variable that you will use to access the captured value in subsequent requests.
Select whether to extract the value from the response body or response headers.
Choose the appropriate extraction type based on where you extract the value.
If you're extracting from the response body, you can use JSON path, XML path, or regular expressions to extract the value.
If you're extracting from response headers, you can extract the entire header value or a part of the header value by using regular expressions.
Use Captured Value in Requests
You can use the format {{captured_variable_name}} to insert a value that was previously captured into various parts of subsequent requests. This includes the URL, the request body, query parameters, headers, and authentication information.
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