How do I change the Magnitude Limits (in code, not in the plot window) of a patternElevation plot?

Changing the magnitude limits of a polar pattern plot:

p = polarpattern(directivity); p.MagnitudeLim = [-15,15]

How can I do this on a patternElevation plot?

Thanks!

[Qaisar Fraz]

write p=polarpattern(directivity,'MagnitudeLim',[-15,15])