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# 3.2.1.3.1 API Parameterization

API parameterization is nothing but without interrupt the actual request template we can replace the key values in request.

Below was the syntax for the parameterization

```
Syntax: ${Product Element}
```

Below screen shows the parameterized request template. We created the product elements with name and job.

![](/files/-MbeSPYxtCOs-XCNyckx)

Click on the Default Parameter tab you can find the two buttons, Extract Param with refresh and Extract Params.

![](/files/-MbeSPYya6GilvO_Qzdl)

Click on the **Extract Param button** you get the all parameterized fileds.

![](/files/-MbeSPYzKYbhCtEBmRdJ)

Fill the all the fileds then click on **Save** button and then Click on **Test** button.

![](/files/-MbeSPZ-fOfvfxGJFDsi)

Now you can get response based on the data you are provided in the default parameters.