One Wire GPIO binding

Hello guys,
I am new to openHAB and I would like to try OneWire binding
OS: openHABian
version: openHAB 2.5
Hardware: RPi4
I want to measure temperature using DS18B20 sensor but I don’t know how to start and where to start.
Someone please help me how to interface DS18B20 sensor with openhab

From the binding docs:

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