validator_base_presence (zotonic_mod_base v1.0.0-rc.17)
Check if an input has been filled in or checked.
For example when a title must be entered:
<input type="text" id="title" name="title" value="" />
{% validate id="title" type={presence} %}Arguments
| Argument | Description | Example |
|---|---|---|
| failure\_message | Message to be shown when field is empty. Defaults to “\*” | failure_message="Please enter." |
See also