{"version":"1.0","provider_name":"Bellsystem24 Vietnam","provider_url":"https:\/\/bell24vietnam.vn\/en","author_name":"nguyenhuuthang@bell24vietnam.vn","author_url":"https:\/\/bell24vietnam.vn\/en\/author\/nguyenhuuthangbell24vietnam-vn\/","title":"Mystery Dining: Gi\u00fap Doanh Nghi\u1ec7p F&B N\u00e2ng Cao Ch\u1ea5t L\u01b0\u1ee3ng D\u1ecbch V\u1ee5 - Bellsystem24 Vietnam","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"b7on7oPa2a\"><a href=\"https:\/\/bell24vietnam.vn\/en\/knowledge\/mystery-dining\/\">Mystery Dining: Helping F&amp;B Businesses Improve Service Quality<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/bell24vietnam.vn\/en\/knowledge\/mystery-dining\/embed\/#?secret=b7on7oPa2a\" width=\"600\" height=\"338\" title=\"&#8220;Mystery Dining: Gi\u00fap Doanh Nghi\u1ec7p F&#038;B N\u00e2ng Cao Ch\u1ea5t L\u01b0\u1ee3ng D\u1ecbch V\u1ee5&#8221; &#8212; Bellsystem24 Vietnam\" data-secret=\"b7on7oPa2a\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/bell24vietnam.vn\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/bell24vietnam.vn\/wp-content\/uploads\/2025\/03\/khach-hang-bi-mat-nha-hang.jpg","thumbnail_width":1200,"thumbnail_height":801,"description":"Mystery Dining l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng kh\u00e1ch h\u00e0ng b\u00ed m\u1eadt (mystery diners) \u2013 nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c thu\u00ea \u0111\u1ec3 \u0111\u00f3ng vai kh\u00e1ch h\u00e0ng th\u1ef1c t\u1ebf, h\u1ecd s\u1ebd \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m d\u00f9ng b\u1eefa v\u00e0 \u0111\u00e1nh gi\u00e1 chi ti\u1ebft v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng m\u00f3n \u0103n, d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng"}