{"type":"rich","version":"1.0","title":"Dynamically add validation","author_name":"khanhto","author_url":"https://plnkr.co/users/khanhto","provider_name":"Plunker","provider_url":"https://plnkr.co","html":"<iframe id=\"plnkr_embed_nH8L91Py6v01UoILUfh8\" class=\"plnkr_embed_iframe\" style=\"width: 100%; overflow: hidden;\" src=\"https://embed.plnkr.co/plunk/nH8L91Py6v01UoILUfh8?autoCloseSidebar&deferRun&show=preview\" width=\"600\" height=\"400\" frameborder=\"0\" scrolling=\"no\"></iframe>","width":600,"height":400,"thumbnail_url":"https://shot.plnkr.co/nH8L91Py6v01UoILUfh8.png?d=2014-06-23T15%3A42%3A44.624Z","thumbnail_width":400,"thumbnail_height":300}