This property defines the Unicodes which have Gurmukhi script
Characters like ਁ,ਂ,ਃ, etc. are listed under Gurmukhi Script.
80 Characters are present in Gurmukhi Script starting with the Unicode point U+0A01 that represents the character ਁ.
Currently, as per latest version 15.0.0, Unicode supports 164 number of Script. Here are a few examples - Adlam,Ahom,Anatolian Hieroglyphs, etc.