help me plotting the gain vs freq plot in hfss

Hi
help me plotting the gain vs freq plot of this attached 3d plot
I want gain total in y axis and freq in x axis

from this :../imgqa/eboard/Antenna/rf-lu441csxtgo.png
i want plot like this: ../imgqa/eboard/Antenna/rf-e2c5zajjuba.png
but i do not know steps
regards
kartik

help me plz

Results/Create far field reports/Rectangular plot

i want to know what value of theta and phi i must choose for this plot

If you want maximum gain, you can set category to Antenna Params and choose peak gain.