gistfile1.js

AUI().use("autocomplete", "autocomplete-highlighters", "aui-io-request", function (A) {
        A.one('#<portlet:namespace/>academyName').plug(A.Plugin.AutoComplete, {
            resultHighlighter: 'phraseMatch',
            resultListLocator: 'orgs',
            resultTextLocator: 'name',
            queryDelimiter: ',',
            minQueryLength: 3,
            source: function(query) {
                var queryUrl = '<%=searchUrl%>&<portlet:namespace />keywords=' + query + '&<portlet:namespace/>types=' + types;
                var request = A.io.request(
                        queryUrl,
                        {
                            data: {
                                keywords: query,
                                types: types
                            },
                            sync: true,
                            dataType: 'json',
                            method: 'POST'
                            on: {
                                success: function(event, id, obj) {
                                    console.log("SUCCESS");
                                    callback(this.get('responseData'));
                                }
                            }
                        }
                );
            }
        });
    });