We have added a few filters for now which are documented on this page. We are planning to add more filters in future releases so you can easily modify or override the output as a developer. Default hooks Price Label apply_filters( 'staggs_price_from_label', __( 'From', 'staggs' ) ); Option Group apply_filters( 'staggs_sanitized_option_group',$sanitized_option_group, $option_group_id ); Option Item $sanitized_option = apply_filters( 'staggs_sanitized_option_item', $sanitized_option, $option_id ); Premium hooks Out of stock label apply_filters( 'staggs_out_of_stock_message', __( 'Out of stock', 'staggs' ) ); Stock notification $email = apply_filters( 'staggs_stock_notification_email', $to ); $subject = apply_filters( 'staggs_stock_notification_email_subject', $title ); $content = apply_filters( 'staggs_stock_notification_email_content', $content ); PDF output Modify all HTML output: apply_filters( 'staggs_pdf_html', $pdf_html ); Modify only parts of HTML output: apply_filters( 'staggs_pdf_header_html', $pdf_header_html ); apply_filters( 'staggs_pdf_product_details', $pdf_product_html, $product_id, $product_values ); apply_filters( 'staggs_pdf_configuration_html', $pdf_configuration, $product_id, $product_values ); apply_filters( 'staggs_pdf_totals_html', $pdf_totals_html ); apply_filters( 'staggs_pdf_footer_html', '' ); apply_filters( 'staggs_pdf_styles', $pdf_styles );