@@ -90,6 +90,7 @@ |
||
90 | 90 | /** |
91 | 91 | * Helper method to get a specific merchant parameter if available. |
92 | 92 | * |
93 | + * @param string $key |
|
93 | 94 | * @return null|mixed |
94 | 95 | */ |
95 | 96 | protected function getKey($key) |