model issue

src/models/streams.js

@@ -9,18 +9,18 @@ const streams = new Schema({
     type: Schema.Types.ObjectId,
     ref: 'Event',
   },
-  matches: {
+  matches: [{
-    type: [Schema.Types.ObjectId],
+    type: Schema.Types.ObjectId,
     ref: 'Matches',
-  },
+  }],
-  casters: {
+  casters: [{
-    type: [Schema.Types.ObjectId],
+    type: Schema.Types.ObjectId,
     ref: 'Casters',
-  },
+  }],
-  hosts: {
+  hosts: [{
-    type: [Schema.Types.ObjectId],
+    type: Schema.Types.ObjectId,
     ref: 'Hosts',
-  },
+  }],
 })
 
 const Stream = model('Streams', streams)