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Object is empty

Input
value
Validate that value is empty
validation:
objectIsEmpty

Ensure object field is empty

source:value
Output
result
Pass
Object field "value" is not empty
Object field "value" is not empty
Object field "value" is not empty
Object field "value" is not empty
Object field "value" is not 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 object field is empty.

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-objectIsEmpty",
"type": "validation",
"action": "objectIsEmpty",
"params": {},
"testInputs": [
"{}",
"{\"id\":1}",
"{\"a\":1}",
"{\"x\":true}",
"{\"k\":2}",
"{\"z\":0}"
]
}