method
ArrayField.LiveValidate
Add a server check that provides feedback while this field is being edited.
Arguments
| Argument | Type | Description |
|---|---|---|
value | LiveValidator[store.Value] | A non-nil callback returning validation messages, or an error if the check could not run. It receives unfinished form input and must be read-only. |
Returns
A new field definition with this live validator appended. Keep the returned definition; the original field is unchanged.
ArrayFieldHow it works
LiveValidate preserves existing live checks. It does not register a save rule; use Validate separately to enforce the rule when saving.
Full signature
Related types
ArrayFieldArrayField configures an ordered list of rows containing the supplied fields.
LiveValidatorCheck an unsaved field value on the server and return feedback before the author saves.
ValueAn immutable scalar, object, list, or populated document value.