Is it possible to define Characteristics and Serivces that should be available on a mobile device acting as a peripheral?

[MDale-RAC]

Prerequisites

• [X] I checked the documentation and FAQ without finding a solution
• [X] I checked to make sure that this issue has not already been filed
• [X] I'm sure that question is related to the library itself and not Bluetooth Low Energy or Classic in general. If that so, please post your question on StackOverflow.
• [X] I'm running the latest version

Question

I tried searching the issues (open and closed) as well as the Wiki, Google, and StackOverflow...

Perhaps I have not been using the correct search terms, but I was unable to find explicit information WRT using this library.

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Use-case:

There will be 2 Expo applications. The first application will act as the "central" device (on physical device A), this topic/process is covered extensively (good to go) CRUX: The second application will act as the "peripheral" device (on physical device B), where, with the app running, it must define/setup/advertise the services and characteristics expected by the first application (on device A) The two applications can then communicate over the defined characteristics associated with the expected services.

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If this is already an existing feature/capability of this library, I do apologize, and would simply kindly ask for a reference to the existing documentation!

If this is not an existing feature/capability of this library, any information as to why this is not a feature (or a potential roadmap to obtain this feature) would be greatly appreciated!

If you are aware of existing mechanisms to achieve this use-case (using other libraries or external tools), any additional information would be genuinely greatly helpful to me!

Many many thanks in advance!

Question related code

N/A