add_filter( 'woocommerce_product_tabs', 'woo_new_product_tab' );
function woo_new_product_tab( $tabs ) {
$tabs['test_tab'] = array(
'title' => __( 'New Product Tab', 'woocommerce' ),
'priority' => 50,
'callback' => 'woo_new_product_tab_content'
);
return $tabs;
}
function woo_datasheets_tab() {
if( get_field('datasheetsrepeater') ):
while( have_rows('datasheetsrepeater') ): the_row();
echo "test";
endwhile;
endif;
}