Smarty è fornito di numerose funzioni utente che potete utilizzare nei template. &designers.language-custom-functions.language-function-assign; &designers.language-custom-functions.language-function-counter; &designers.language-custom-functions.language-function-cycle; &designers.language-custom-functions.language-function-debug; &designers.language-custom-functions.language-function-eval; &designers.language-custom-functions.language-function-fetch; &designers.language-custom-functions.language-function-html-checkboxes; &designers.language-custom-functions.language-function-html-image; &designers.language-custom-functions.language-function-html-options; &designers.language-custom-functions.language-function-html-radios; &designers.language-custom-functions.language-function-html-select-date; &designers.language-custom-functions.language-function-html-select-time; &designers.language-custom-functions.language-function-html-table; &designers.language-custom-functions.language-function-math; &designers.language-custom-functions.language-function-mailto; &designers.language-custom-functions.language-function-popup-init; &designers.language-custom-functions.language-function-popup; &designers.language-custom-functions.language-function-textformat;