Yes, for example with this syntax you can show the line only if fax field is not empty:
{if not empty(fax)}Fax: {fax}{/if}
For more information see the Conditions article.
How to show some information only if the field is not empty?
Yes, for example with this syntax you can show the line only if fax field is not empty:
{if not empty(fax)}Fax: {fax}{/if}
For more information see the Conditions article.