| Parameter: | Description: | Default: |
"fieldname" | The name of a TWiki form field | required |
topic="..." | Topic where form data is located. May be of the form Web.TopicName | Current topic |
format="..." | Format string. $value expands to the field value, and $title expands to the fieldname | "$value" |
default="..." | Text shown when no value is defined for the field | "" |
alttext="..." | Text shown when field is not found in the form | "" |
