src/Message/AttachmentBuilder.php
public function setFooter($text, $icon = null)
    {
        $this->data['footer'] = $text;
        if ($icon) {
            $this->data['footer_icon'] = $icon;
        }

        return $this;
    }
public function setFooter($text, $icon = null)
    {
        $this->data['footer'] = $text;
        if ($icon) {
            $this->data['footer_icon'] = $icon;
        }

        return $this;
    }
public function setFooter ( $ text , $ icon = null ) { $ this -> data [ 'footer' ] = $ text ; if ( $ icon ) { $ this -> data [ 'footer_icon' ] = $ icon ; } return $ this ; }
Sets an attachment footer shown beneath the attachment body.

@param string $text Brief footer text.
@param string $icon An optional URL to an image to show to the left of the footer text.
@return $this
Sets an attachment footer shown beneath the attachment body .