{"action":"opened","issue":{"url":"https://api.github.com/repos/dpgaspar/Flask-AppBuilder/issues/221","labels_url":"https://api.github.com/repos/dpgaspar/Flask-AppBuilder/issues/221/labels{/name}","comments_url":"https://api.github.com/repos/dpgaspar/Flask-AppBuilder/issues/221/comments","events_url":"https://api.github.com/repos/dpgaspar/Flask-AppBuilder/issues/221/events","html_url":"https://github.com/dpgaspar/Flask-AppBuilder/issues/221","id":105226705,"number":221,"title":"Constrain file extension in \"quickfiles\" example.","user":{"login":"JamesGalt","id":13592957,"avatar_url":"https://avatars.githubusercontent.com/u/13592957?v=3","gravatar_id":"","url":"https://api.github.com/users/JamesGalt","html_url":"https://github.com/JamesGalt","followers_url":"https://api.github.com/users/JamesGalt/followers","following_url":"https://api.github.com/users/JamesGalt/following{/other_user}","gists_url":"https://api.github.com/users/JamesGalt/gists{/gist_id}","starred_url":"https://api.github.com/users/JamesGalt/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JamesGalt/subscriptions","organizations_url":"https://api.github.com/users/JamesGalt/orgs","repos_url":"https://api.github.com/users/JamesGalt/repos","events_url":"https://api.github.com/users/JamesGalt/events{/privacy}","received_events_url":"https://api.github.com/users/JamesGalt/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-09-07T14:35:44Z","updated_at":"2015-09-07T14:35:44Z","closed_at":null,"body":"Hi Daniel,\r\nI'm trying to constrain the file extension when uploading with the quick files example.\r\nWhat the best way to do it?\r\nThanks a lot."}}