{if !( empty($_activity_item.app) || empty($_activity_item.app.name) )}
{$_activity_item.app.name}
{/if}
{if !empty($_activity_item.action_name)}{$_activity_item.action_name|escape}{/if}
{if !empty($_activity_item.params_html)}
{$_activity_item.params_html}
{/if}
{if !empty($_activity_item.datetime)}
{waDateTime::format('humandatetime', $_activity_item.datetime)}
{/if}