Reset multi value

Dear,

i try to find how to reset multi value lookup field in my case calume called "PaperFormat"

that code i had used :

fd.field('PaperFormat').value([{Id: 0}]);

but it coming  as empty item  -  Photo:  -  Link of photo: https://www.mediafire.com/?fi80ich2xca2q8r

not empty field so i f u have aother solution tell me

Thanks