How to display a function

[gplawn]

ok, I have this function, that I have to put in my functions.php file which is fine, here is the code …

add_filter( ‘pdf_template_vat_number_text’, ‘custom_pdf_template_vat_number_text’ );
function custom_pdf_template_vat_number_text() {
return 'BTW No. : ';
}

but how do I get it to display, in my template file?
do I add some come to my template file?

[chorn]

Just use short open tag