How do we know whether we have created a custom agent team that requires premium subscription

Summary: How can we tell whether we have created a custom agent or agent team in our TEST environment that would require a premium subscription to move to Production? Is it the word "Custom" that appears under the name of the agent or agent team?

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We are using Oracle delivered Agent Teams and Agents, removing tools that are not applicable to us and changing the prompt to better meet our needs. We have noticed by just editing the prompt itself, the agent has become custom under the subtitle. Does editing the prompt mean that the agent becomes custom?