Trunc

Input

value

Truncate value to 2 decimal places

transformation:

trunc

Truncate a number toward zero to N decimal places

source:value

parameters

decimalPlaces

Number of decimal places to retain (0–20, default 0)

Output

value
3.14
2
-1.67
0
999.99
0

* Sample inputs run locally in your browser using the same operation logic as Fontana Flow.
Results are illustrative, not connected to a workflow.

Truncate a number toward zero to N decimal places.

Parameters

• decimalPlaces (Decimal Places, number, optional) — Number of decimal places to retain (0–20, default 0). Default: 0.

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-trunc",
  "type": "transformation",
  "action": "trunc",
  "params": {
    "decimalPlaces": 2
  },
  "testInputs": [
    "3.14159",
    "2.005",
    "-1.678",
    "0.0049",
    "999.995",
    "-0.005"
  ]
}