This should complete the account handler.

app/Models/AccountMeta.php

@@ -1,6 +1,7 @@
 <?php namespace FireflyIII\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Watson\Validating\ValidatingTrait;
 
 /**
  * Class AccountMeta
@@ -10,6 +11,17 @@ use Illuminate\Database\Eloquent\Model;
 class AccountMeta extends Model
 {
 
+    use ValidatingTrait;
+    protected $rules
+        = [
+            'account_id' => 'required|exists:accounts,id',
+            'name'       => 'required|between:1,100',
+            'data'       => 'required'
+        ];
+    protected $table = 'account_meta';
+
+    protected $fillable = ['account_id', 'name', 'data'];
+
     /**
      * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
      */