This illustration shows the Environment Variables section. It contains the following text: Your application can access these environment variables at runtime. You cannot modify predefined variables such as APP_HOME. To change an environment variable for another cloud service, edit the service binding. You can add or update custom environment variables.

Below the text, there is a check box to show all variables, next there is an Add button. Below that there is a table with three columns: Name, Value, and Actions. The table contains three rows with the following content:
TNS_ADMIN, $APP_HOME/client_credentials, the Actions column contains the Edit and Delete buttons, next to the buttons there are two arrows to move up and down the rows.
EECS_USER, PDB_ADMIN, the Actions column contains the Edit and Delete buttons, next to the buttons there are two arrows to move up and down the rows.
EECS_PASSWORD, Orac!e08, the Actions column contains the Edit and Delete buttons, next to the buttons there are two arrows to move up and down the rows.