lib/custom/src/MShop/Service/Provider/Payment/OmniPay.php
public function checkConfigBE( array $attributes )
	{
		return array_merge( parent::checkConfigBE( $attributes ), $this->checkConfig( $this->beConfig, $attributes ) );
	}
public function checkConfigBE( array $attributes )
	{
		return array_merge( parent::checkConfigBE( $attributes ), $this->checkConfig( $this->beConfig, $attributes ) );
	}
public function checkConfigBE ( array $ attributes ) { return array_merge ( parent :: checkConfigBE ( $ attributes ) , $ this -> checkConfig ( $ this -> beConfig , $ attributes ) ) ; }
Checks the backend configuration attributes for validity.

@param array $attributes Attributes added by the shop owner in the administraton interface
@return array An array with the attribute keys as key and an error message as values for all attributes that are
known by the provider but aren't valid
Checks the backend configuration attributes for validity .