how to use Output field in REST api business rule in SMAX ?

Hi All,

I am doing integration of SMAX with JIRA tool. I have performed all the steps given in below link

In the output field of Rest api business rule, i have given field as useroptions. In useroptions in offering, i have created multiple fields as given in above document. But how the mapping of rest api output field with useroptions field will be done?