# isDataNodeInitialized {#isdatanodeinitialized}

**Parent topic:**[Functions](../../Functions/category.md)

## Syntax {#syntax}

`isDataNodeInitialized()`

Alias: `isChunkNodeInit`

## Arguments {#arguments}

None

## Details {#details}

Return true if the current node has been started; return false otherwise. The function can only be executed on data nodes or compute nodes and cannot be executed on agent or controller nodes.

## Examples {#examples}

```
isDataNodeInitialized()
// output: true
```

