diff --git a/src/Tenant.php b/src/Tenant.php
index 364e812f..aa2d806e 100644
--- a/src/Tenant.php
+++ b/src/Tenant.php
@@ -6,5 +6,20 @@ use Illuminate\Database\Eloquent\Model;
 
 class Tenant extends Model
 {
-    // todo if not attribute exists in db, put into json data
-}
\ No newline at end of file
+    public function getDataColumn()
+    {
+        return 'data';
+    }
+
+    public function put(string $key, $value)
+    {
+        if ($this->getConnection()->getSchemaBuilder()->hasColumn($this->getTable(), $key)) {
+            $this->update([$key => $value]);
+        } else {
+            $obj = json_decode($this->{$this->getDataColumn()});
+            $obj->$key = $value;
+
+            $this->update([$this->getDataColumn() => json_encode($obj)]);
+        }
+    }
+}