question: get a unique sakai internal used id concode_field_sep String eid concode_elem_sep String firstName concode_elem_sep String lastName concode_elem_sep String mainSiteId concode_elem_sep boolean checked concode_elem_sep boolean publishedSite concode_elem_sep Role userRole concode_elem_sep String internalUserId concode_field_sep Role getUserRole concode_elem_sep String getEid concode_elem_sep boolean isPublishedSite concode_elem_sep int compareTo concode_elem_sep void setUserRole concode_elem_sep String getLastName concode_elem_sep String getMainSiteId concode_elem_sep boolean isChecked concode_elem_sep String getDisplayName concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep void setPublishedSite concode_elem_sep void setChecked concode_elem_sep String firstCharToUppercase concode_elem_sep void setMainSiteId concode_elem_sep String getFirstName
target: String function ( ) { return internalUserId ; }