_post('plans', $parameters); } /** * Retrieves an existing plan. * * @param string $planId * @return array */ public function find($planId) { return $this->_get("plans/{$planId}"); } /** * Updates an existing plan. * * @param string $planId * @param array $parameters * @return array */ public function update($planId, array $parameters = []) { return $this->_post("plans/{$planId}", $parameters); } /** * Deletes an existing plan. * * @param string $planId * @return array */ public function delete($planId) { return $this->_delete("plans/{$planId}"); } /** * Lists all plans. * * @param array $parameters * @return array */ public function all(array $parameters = []) { return $this->_get('plans', $parameters); } }