<b>concat</b>&mdash;concatenates all the provided parameters. <ul><li>Examples:</li><ul><li><b>concat('abc', def)</b> will result in <i>abcdef</i></li> <li><b>concat('PRODUCT_', $value, '_CODE')</b> will result in <i>PRODUCT_$value_CODE</i>, but <b>$value</b> will be replaced with the the value of the imported field</li></ul></ul>