in js/last-submitted-date-for-duplicate-exceptions/update-last-duplicate-date.js [8:15]
action: function(ctx) {
var issue = ctx.issue;
issue.links['is duplicated by'].added.forEach(function(duplicate) {
if (duplicate.created > issue.fields.LastDuplicate) {
issue.fields.LastDuplicate = duplicate.created;
}
})
},