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String is not empty

Input
value
Validate that value is not empty
validation:
stringIsNotEmpty

Ensure string field is not empty

source:value
Output
result
Pass
Pass
Pass
String field "value" is empty
String field "value" is empty
String 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 string field is not 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-stringIsNotEmpty",
"type": "validation",
"action": "stringIsNotEmpty",
"params": {},
"testInputs": [
"hello",
"x",
"value",
"",
" ",
"\t"
]
}