PCA9698 I2C setting

I am new to I2C protocol and trying to turn LED on/off connected to bank 0, pin 0 in MCUXpresso software by NXP. Would there be any code whihc I can use as reference for I2C or atleast guide me how to configure PCA9698 for turning LED on/off ? What would be the sequence of device (slave) address, output configuration register and command register for output?

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