Is not empty
Input
| value |
|---|
Validate that value is not empty
validation:isNotEmpty
Ensure field is not empty for its value type (stricter than required for whitespace, [], {})
source:value
Output
| result |
|---|
| Pass |
| Pass |
| Pass |
| Field "value" is empty |
| Field "value" is empty |
| Field "value" is empty |
Sample inputs run locally in your browser using the same operation logic as Fontana Flow.
Results are illustrative, not connected to a workflow.
Ensure field is not empty for its value type (stricter than required for whitespace, [], {}).
Parameters
This operation has no configurable parameters.
Field selection
- source — Field whose values this operation reads. Omit to apply to all fields on the row.
- target — Optional output field. When omitted, the source field is updated in place.
JSON Configuration
{ "id": "op-isNotEmpty", "type": "validation", "action": "isNotEmpty", "params": {}, "testInputs": [ "hello", "0", "[\"x\"]", "", " ", "[]" ]}