public function addHeader($name, $value)
    {
        $this->getSwiftMessage()->getHeaders()->addTextHeader($name, $value);
        return $this;
    }
public function addHeader($name, $value)
    {
        $this->getSwiftMessage()->getHeaders()->addTextHeader($name, $value);
        return $this;
    }
public function addHeader ( $ name , $ value ) { $ this -> getSwiftMessage ( ) -> getHeaders ( ) -> addTextHeader ( $ name , $ value ) ; return $ this ; }
Adds custom header value to the message.
Several invocations of this method with the same name will add multiple header values.
@param string $name header name.
@param string $value header value.
@return $this self reference.
@since 2.0.6
Adds custom header value to the message . Several invocations of this method with the same name will add multiple header values .