how can apply not equal to in variable

Hi I want all record whose parent id is not 100 as defined in below query

#set($groups = $core_v2_group.List("%{SortBy = 'Name', SortOrder = 'Ascending', PageSize=10,ParentGroupId=!100}"))

but it is including the record of parent id as well , please let me know how i can apply not equal to .