Almost everyone will use the default hostname for the API, so that shouldn't be changed. If you are a GitHub Enterprise Cloud customer, the account type will be "enterprise". However if you are using a paid GitHub organization at the "GitHub Enterprise" billing tier, you'll enter "organization" for the account type. For an easy way to tell, go to your user icon in the upper right corner and if the menu includes an entry called "Your Enterprises", then you are a GitHub Enterprise Cloud customer, otherwise you are a paid Organization. The Enterprise name is the name of the Enterprise or Organization that you are a member of. This can be found in the URL, something like "https://github.com/**Enterprise Name". To troubleshoot the Add-On I recommend looking at index=_internal and including the string "ghe" in the search to look for errors from the Add-On. If there is an error, there should be a message with a status code in the logs.
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