To connect to a specific BLE

Hell Forum. Please I have a question. I want my app to show me only my BLE named NanoBLE, i don't want it to show me the whole list of all BLEs around me. I don't know how to make that happen and what bloc to add. Here are my currents blocs. Please Help

@Juan_Antonio Do you have any suggestions please?

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Okey I will Look it up, thank you so much.