# Custom Functions Smarty comes with several custom plugin functions that you can use in the templates. - [{counter}](language-function-counter.md) - [{cycle}](language-function-cycle.md) - [{eval}](language-function-eval.md) - [{fetch}](language-function-fetch.md) - [{html_checkboxes}](language-function-html-checkboxes.md) - [{html_image}](language-function-html-image.md) - [{html_options}](language-function-html-options.md) - [{html_radios}](language-function-html-radios.md) - [{html_select_date}](language-function-html-select-date.md) - [{html_select_time}](language-function-html-select-time.md) - [{html_table}](language-function-html-table.md) - [{mailto}](language-function-mailto.md) - [{math}](language-function-math.md) - [{textformat}](language-function-textformat.md)