You can add a standard or custom request or response header.
To add a header:
- Open the test.
- In the test hierarchy, click a request (to add a request header)
or a request's Response Data (to add a response header).
- Under the Headers table, click the Add button. The Add/Edit Headers window opens.

- To add a standard header:
- In the Available Headers box, locate
the header you want to add and click it. You can use the Quick
search box (start typing the name of a header) and Header
types box (select the type of header you are looking for) to quickly
locate a header in the Available Headers box.
- Click the right angle bracket (>). The selected
header moves into the Selected headers box and your
cursor is placed in the value column.
- Type the header's value and hit Enter.
- To add a custom header:
- In the Header types box, select Custom.
- At the bottom of the window, under New custom header, type a Name and Value for
the header and click Insert. The custom
header is added to the Selected headers box.
- When you've finished adding standard or custom headers, click OK.