# Custom variables

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## Examples

### $executionId

Contains the unique ID of the current workflow execution.

```typescript
const executionId = $executionId;

return [{json:{executionId}}];
```

### $runIndex

Contains the index of the current run of the node.

```typescript
// Returns all items the node "IF" outputs (index: 0 which is Output "true" of the same run as current node)
const allItems = $items("IF", 0, $runIndex);
```

### $workflow

Gives information about the current workflow.

```js
// Boolean. Whether the workflow is active (true) or not (false)
$workflow.active
// Number. The workflow ID.
$workflow.id
// String. The workflow name.
$workflow.name
```