Coding / Generating a signal using DDS with the AD9361

I am trying to generate a frequency in C with the AD9361, I am wondering if there is a list that states the channels with their corresponding attributes. I have been looking at the codes of the iio oscilloscope and so far am able to control the local oscillator frequency, bandwidth..which are unrelated to the DDS. With the list, I am trying to find out how to control the DDS to generate a frequency, does anyone have any pointers for this? 

Thank you!