How to get the gatewayEui

Hello,
I have a Wio-E5 min and I’m trying to get the GatewayEui to register on thethingsnetwork. But I can’t find it.
Can you help me please

If you have the Wio-E5 Mini set up and connected to your development environment, you can retrieve the GatewayEUI programmatically. You can try using the Arduino IDE or PlatformIO for this process.

Here are some detailed instructions of this product:
https://wiki.seeedstudio.com/LoRa_E5_mini/