diff --git a/src/BBOrm/Entity.php b/src/BBOrm/Entity.php
index 1f09611..a5400c9 100644
--- a/src/BBOrm/Entity.php
+++ b/src/BBOrm/Entity.php
@@ -17,15 +17,15 @@ abstract class Entity {
         'table_name'
     );
 
-    protected $_properties = Array();
+    const _properties = Array();
 
     public function teste() {
         return static::class;
     }
 
-    public function get_properties() {
+    public static function get_properties() {
         $properties = Array();
-        foreach ($this->_properties as $propertie) {
+        foreach (static::_properties as $propertie) {
             $obj = new \stdClass();
             $obj->data = $propertie;
             $properties[] = $obj;
diff --git a/src/index.php b/src/index.php
index d114cd7..f864a65 100644
--- a/src/index.php
+++ b/src/index.php
@@ -84,7 +84,7 @@ Connections::add_connection(new PDO("pgsql:dbname=urfat; user=urfat; password=ur
 //$a = User::find_one(Array('id'=>Array('=', 1) ));
 $a = User::find_one( 1 );
 
-var_dump( $a->roles() );
+var_dump( $a->permissions() );
 
 //$a = new Estado();
 //$a->load(23);