{literal}
Event name: {input _filter="content" type="text" _field="tracker_field_trac_as_cal_summary"}
Region: {select _field="tracker_field_trac_as_cal_location" _trackerId="1"}
Region: {select _filter="content" _options="USA,UK,Asia" _field="tracker_field_trac_as_cal_location" _trackerId="1"}
{input type="Submit" value="Find"}
{/literal}