How to set Master Page width in IOS for MasteDetailPage

Hello Expert,

I have successfully change the width of Master page in Android using MasterDetailPageRender. But not able to set it in IOS using PhoneMasterDetailRenderer. On googling I found this https://gist.github.com/radoslavyordanov/e62f673e45983ec0ae56cd6b336f68ff. Please guide me which method to be implement.

Thanks