How to use IQ Bal Optimize/Fix?

Hi every onei want to work with gr-iqbal/optimizer/fix  posted on github  https://github.com/osmocom/gr-iqbal/tree/gr3.7and  i dont know how to use this block. would you mind please giving me a grc file to understand that.bests

iq/optimizer/fix module

Hi every onei want to work with gr-iqbal/optimizer/fix  posted on github  https://github.com/osmocom/gr-iqbal/tree/gr3.7and  i dont know how to use this block. would you mind please giving me a grc file to understand that.bests