{"action":"opened","issue":{"url":"https://api.github.com/repos/aksonov/react-native-router-flux/issues/342","repository_url":"https://api.github.com/repos/aksonov/react-native-router-flux","labels_url":"https://api.github.com/repos/aksonov/react-native-router-flux/issues/342/labels{/name}","comments_url":"https://api.github.com/repos/aksonov/react-native-router-flux/issues/342/comments","events_url":"https://api.github.com/repos/aksonov/react-native-router-flux/issues/342/events","html_url":"https://github.com/aksonov/react-native-router-flux/issues/342","id":141751557,"number":342,"title":"Left back button not showing","user":{"login":"ajoshdee","id":7309782,"avatar_url":"https://avatars.githubusercontent.com/u/7309782?v=3","gravatar_id":"","url":"https://api.github.com/users/ajoshdee","html_url":"https://github.com/ajoshdee","followers_url":"https://api.github.com/users/ajoshdee/followers","following_url":"https://api.github.com/users/ajoshdee/following{/other_user}","gists_url":"https://api.github.com/users/ajoshdee/gists{/gist_id}","starred_url":"https://api.github.com/users/ajoshdee/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ajoshdee/subscriptions","organizations_url":"https://api.github.com/users/ajoshdee/orgs","repos_url":"https://api.github.com/users/ajoshdee/repos","events_url":"https://api.github.com/users/ajoshdee/events{/privacy}","received_events_url":"https://api.github.com/users/ajoshdee/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-03-18T01:48:10Z","updated_at":"2016-03-18T01:48:10Z","closed_at":null,"body":"Hi, I used the onLeft()=> closure. But the button disappears. "}}