Compare With Previous

Node type: compare_previous · Version: 1 · Category: Logic Detect a meaningful change and update state after success. This node can change external state or produce an external side effect.

Configuration

Field	Type	Default	What it controls
`key`	string	`""`	Workflow-scoped state key.
`value`	any	`null`	Literal value, protected reference, or mapped output.
`normalization`	string	`"trim"`	Text normalization applied before change comparison. Values: `trim`, `lowercase`, `collapse_whitespace`, `none`.

The new comparison value is committed only after the complete workflow succeeds.

Workflow JSON

The editor stores this node with the following implemented default configuration:

Default node configuration

{
  "type": "compare_previous",
  "version": 1,
  "configuration": {
    "key": "",
    "value": null,
    "normalization": "trim"
  }
}

Values may be entered literally or mapped from an earlier compatible output when the inspector exposes a mapping control. See Variables and data mapping.

Inputs

Port	Type	Required	Description
`key`	`string`	Yes	Key
`value`	`any`	Yes	Current value

Outputs

Port	Type	Required	Description
`changed`	`boolean`	No	Changed
`previous`	`any`	No	Previous
`current`	`any`	No	Current

Where it can run

Desktop local runner
Paired self-hosted runner
Hosted runner

Test and inspect

Use Test node in the editor to preview this step with the current configuration. A full run records resolved inputs, outputs, logs, duration, and any artifacts in the execution inspector. Side-effecting or destructive nodes can require an additional confirmation or approved workflow permission.

Node reference

Triggers

Logic

Data

Network

Browser

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System

Compare With Previous

Configuration

Workflow JSON

Inputs

Outputs

Where it can run

Test and inspect

​Configuration

​Workflow JSON

​Inputs

​Outputs

​Where it can run

​Test and inspect

Configuration

Workflow JSON

Inputs

Outputs

Where it can run

Test and inspect