return None if the hash member key or the hash do not exist
return None if the hash member key or the hash do not exist

harrissoerja/vumi,vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix,harrissoerja/vumi,vishwaprakashmishra/xmatrix,TouK/vumi,TouK/vumi,TouK/vumi,harrissoerja/vumi