> ## Documentation Index
> Fetch the complete documentation index at: https://docs.spreadjam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Logic Nodes

> Flow control nodes: conditional branching, delays, and end markers.

## conditional

Branch workflow based on a condition. Returns the appropriate `nextNodeId`.

* **Category:** `logic`
* **Estimated Duration:** 0s
* **Capabilities:** `supportsRerun`

### Input

<ParamField body="condition" type="object" required>
  Condition to evaluate.
</ParamField>

* `condition.type`: `'equals'` | `'not_equals'` | `'greater_than'` | `'less_than'` | `'contains'` | `'exists'`
* `condition.variableName`: Variable path using dot notation
* `condition.value`: Comparison value

<ParamField body="trueNodeId" type="string" required>
  Node to execute when condition is true.
</ParamField>

<ParamField body="falseNodeId" type="string" required>
  Node to execute when condition is false.
</ParamField>

### Output

| Field            | Type      | Description              |
| ---------------- | --------- | ------------------------ |
| `conditionMet`   | `boolean` | Result of the evaluation |
| `selectedBranch` | `string`  | `'true'` or `'false'`    |

### Example

```typescript theme={null}
{
  condition: {
    type: 'greater_than',
    variableName: 'contacts.length',
    value: 0,
  },
  trueNodeId: 'send-emails',
  falseNodeId: 'no-contacts',
}
```

***

## end

Mark the end of a workflow branch with an optional message.

* **Category:** `logic`
* **Estimated Duration:** 0s

### Input

<ParamField body="message" type="string">
  Optional completion message.
</ParamField>

### Output

| Field       | Type      | Description          |
| ----------- | --------- | -------------------- |
| `completed` | `boolean` | Always `true`        |
| `message`   | `string`  | Echoed input message |

***

## delay

Pause workflow execution for a specified duration.

* **Category:** `logic`
* **Capabilities:** `supportsCancel`

### Input

<ParamField body="durationMs" type="number" required>
  Duration in milliseconds (0-3,600,000, max 1 hour).
</ParamField>

<ParamField body="message" type="string">
  Optional log message.
</ParamField>

### Output

| Field              | Type      | Description          |
| ------------------ | --------- | -------------------- |
| `waited`           | `boolean` | Always `true`        |
| `actualDurationMs` | `number`  | Actual duration      |
| `message`          | `string`  | Echoed input message |