Tutorial "Exposing Several Services as a Single Service" output incorrect

[lianescafarate]

Description:
When following the steps of the exercise (Exposing Several Services as a Single Service), the output presented is:
{
"patient":"John Doe",
"actualFee":7000.0,
"discount":20,
"discounted":5600.0,
"paymentID":"8dc27d2d-b838-4f6e-ac2e-dd9260d90384",
"status":"Settled"
}

The tutorial says it should be:

{
"appointmentNo":1,
"doctorName":"thomas collins",
"patient":"John Doe",
"actualFee":7000.0,
"discount":20,
"discounted":5600.0,
"paymentID":"480fead2-e592-4791-941a-690ad1363802",
"status":"Settled"
}

Affected Product Version:
Enterprise Integrator V6.6.0

OS, DB, other environment details and versions:
macOS Monterey version 12.3.1
WSO2 EI 6.6.0
Java 11.0.13
WSO@ Integration Studio 8.0.1

Steps to reproduce:
Follow tutorial instructions.