If you choose to Add a Robot application, you will see a dialogue enabling you to add:
You will then be asked to select the Protected Resources that this client can access:
You will now be able to edit and add the secrets that are available to this Web Client:
You can select a Secret Type of either a Shared Secret, an X509 Certificate Thumbprint or an X509 Certificate Name:
Once you have filled out and entered the required Secret details, click "Add" and the Secret will appear in the list below:
You will get the chance to finally review all details at the end of the application process, when you will see a summary of all details entered so far.
To edit, click the pencil icon and you will be returned to the page to amend those details. For instance, editing the Display Name will return you to the Basic Details
If at any point after entering the basic details you wish to go back, you can navigate backwards and forwards within the application using the links at the foot of the modal, or cancel out of the entire process:
After following these steps, you should be informed that you have successfully added a Robot Client.