---
keyword: [Extend, PMD Scripting, Scripts, Graph API]
nav: wcp_docs
parent_url: /wcp_docs/
title: createId(id, idType)
layout: subsection
---

## <a id="section_1"></a>Description

Returns an instance ID object for Graph API mutations with the specified `id` and `idType`.

Returns null if `id` is null.

## <a id="section_2"></a>Return Type

`Map`

## <a id="section_3"></a>Namespace Function Syntax

```
graph:createId(id, idType)
```

<table><thead><tr><th>Parameter</th><th>Description</th></tr></thead><tbody><tr><td>id</td><td>String. The ID of the Graph API instance ID object.</td></tr><tr><td>idType</td><td>String. The type of the Graph API instance ID object.</td></tr></tbody></table><br/>

<b>Examples</b>

`graph:createId('ID1', 'ID_TYPE')`

Returns

```
{
  "id": {
    "id": "ID1",
    "type": "ID_TYPE"
  }
}
```

`graph:createId(null, 'ID_TYPE')`

Returns null.