{"action":"created","issue":{"url":"https://api.github.com/repos/OData/WebApi/issues/448","labels_url":"https://api.github.com/repos/OData/WebApi/issues/448/labels{/name}","comments_url":"https://api.github.com/repos/OData/WebApi/issues/448/comments","events_url":"https://api.github.com/repos/OData/WebApi/issues/448/events","html_url":"https://github.com/OData/WebApi/issues/448","id":97786515,"number":448,"title":"Support for DataAnnotations.MetadataTypeAttribute","user":{"login":"gte445e","id":13137475,"avatar_url":"https://avatars.githubusercontent.com/u/13137475?v=3","gravatar_id":"","url":"https://api.github.com/users/gte445e","html_url":"https://github.com/gte445e","followers_url":"https://api.github.com/users/gte445e/followers","following_url":"https://api.github.com/users/gte445e/following{/other_user}","gists_url":"https://api.github.com/users/gte445e/gists{/gist_id}","starred_url":"https://api.github.com/users/gte445e/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gte445e/subscriptions","organizations_url":"https://api.github.com/users/gte445e/orgs","repos_url":"https://api.github.com/users/gte445e/repos","events_url":"https://api.github.com/users/gte445e/events{/privacy}","received_events_url":"https://api.github.com/users/gte445e/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/OData/WebApi/labels/Open%20for%20contribution","name":"Open for contribution","color":"5319e7"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-07-28T19:44:02Z","updated_at":"2015-07-29T07:53:47Z","closed_at":null,"body":"Can support be added for System.ComponentModel.DataAnnotations.MetadataTypeAttribute?\r\n\r\nI have placed the Key Attribute on a metadata class however I still receive an error indicating that the Key attribute is missing."},"comment":{"url":"https://api.github.com/repos/OData/WebApi/issues/comments/125873685","html_url":"https://github.com/OData/WebApi/issues/448#issuecomment-125873685","issue_url":"https://api.github.com/repos/OData/WebApi/issues/448","id":125873685,"user":{"login":"congysu","id":7425148,"avatar_url":"https://avatars.githubusercontent.com/u/7425148?v=3","gravatar_id":"","url":"https://api.github.com/users/congysu","html_url":"https://github.com/congysu","followers_url":"https://api.github.com/users/congysu/followers","following_url":"https://api.github.com/users/congysu/following{/other_user}","gists_url":"https://api.github.com/users/congysu/gists{/gist_id}","starred_url":"https://api.github.com/users/congysu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/congysu/subscriptions","organizations_url":"https://api.github.com/users/congysu/orgs","repos_url":"https://api.github.com/users/congysu/repos","events_url":"https://api.github.com/users/congysu/events{/privacy}","received_events_url":"https://api.github.com/users/congysu/received_events","type":"User","site_admin":false},"created_at":"2015-07-29T07:53:47Z","updated_at":"2015-07-29T07:53:47Z","body":"@gte445e What is your user scenario? We can use `[NotMapped]` to tell EF not create a column in DB, and add that property to OData metadata manually."}}