Skip to main content

Documentation Index

Fetch the complete documentation index at: https://docs.docpipe.ai/llms.txt

Use this file to discover all available pages before exploring further.

The Loop node takes a template expression that resolves to an array and exposes the array to downstream nodes via its payload.

​
Configuration

FieldDescription
Source arrayA template expression that resolves to an array. For example {{extract.payload.lineItems}} or {{aggregator.payload.items}}.
Sequential executionReserved for the per-item fan-out release. No effect today.
Failure modeReserved for the per-item fan-out release. No effect today.

​
Output

{
  "results": [ /* resolved array */ ],
  "itemCount": 3
}

​
Errors

  • “Loop action requires a source expression”: The source field is empty.
  • “Loop source expression resolved to a non-array value”: The expression resolved to something other than a JSON array (an object, a string, etc.). Check the upstream output and the path you’re referencing.