1
例如(在领域的文档拍摄):如何链接Realm Mobile Platform中的用户凭证?
let usernameCredential = Credential.usernamePassword(username: "username", password: "password", actions: [.createAccount])
let googleCredential = Credential.google(token: "Google token")
let facebookCredential = Credential.facebook(token: "Facebook token")
let iCloudCredential = Credential.iCloud(token: "iCloud token")
如何链接这些帐户在一起,使得任何这些帐户连接到相同的领域?