Storing the skill value from multiple choice skill in the workflow

Hi ,
Would like to know how can I store the values of choice skill variables from multiple choice-skill option cascaded in the same workflow . I want to summarize the options selected and update the user. Also update these multiple variables that were selected to a CRM .

As of now {{temp.skill-choice-ret}} works to display only one value. Want to store this value from multiple skill choice options to a variable , that needs to be updated to Database/CRM.

Any directions on how to tackle this is appreciated .

Thanks,
Sundar.