FlowDSL Node Catalog

ForEach

Emit one output packet per element of an array field.

Overview

Property	Value
Node ID	`core/foreach`
Kind	`transform`
Module	`core-flowdsl`
Repo	`go-flowdsl`
Handler	`github.com/redelay/go-flowdsl/nodes/core.ForEach`
Icon	`lucide:repeat`
Color	#f59e0b
Tags	control-flow, iterate, loop

Description

Iterates over the array at sourcePath and emits one packet per item. Each emitted packet has the item under itemKey and the 0-based index under indexKey. Downstream runs once per item.

Outputs

items — Array of per-item packets written to Output.items.

Settings

Property	Type	Required	Default	UI Group
`indexKey`	string	—	`index`	—
`itemKey`	string	—	`item`	—
`sourcePath`	string	yes	`—`	—

Example

yaml

# Use this node in a flow:
nodes:
  - id: my_step
    name: My Step
    kind: transform
    action_ref: core/foreach
    config:
      indexKey: index
      itemKey: item
      sourcePath: some.packet.path

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Delay

Pause the flow for a fixed duration or until a timestamp, then pass the packet through.

Idempotency Key

Ensure a request is processed at most once. Routes new/duplicate.