@bahar-m hello,
please use a profile picture.
have a look here Import a material from Radiance library in Honeybee[+] and BRTDfunc material
or update HB+ and Mostapha put out a new component for translucent materials.
also have a look at @mostapha 's paper on image-mapping for openness here : ETFE Radiance material reference
Good luck,