What type of parameter is being used in this example API call: vlocity_cmt/v3/catalogs/Phonesyoffers?

In the example API call provided (vlocity_cmt/v3/catalogs/Phones/offers?context={"Status":"Active"}), the type of parameter being used is specifying a context. This parameter type is critical for filtering API responses based on specific conditions or contexts, in this case, filtering to include only those phone offers where the status is "Active". This allows the API to return more relevant data tailored to the needs of the application or user.