# HdfObject<a name="EN-US_TOPIC_0000001054918155"></a>

## **Overview**<a name="section1786150479093530"></a>

**Related Modules:**

[Core](core.md)

**Description:**

Describes base class objects defined by the HDF. 

**Since:**

1.0

## **Summary**<a name="section402963886093530"></a>

## Data Fields<a name="pub-attribs"></a>

<a name="table878785170093530"></a>
<table><thead align="left"><tr id="row1594877370093530"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p881886443093530"><a name="p881886443093530"></a><a name="p881886443093530"></a>Variable Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p278522265093530"><a name="p278522265093530"></a><a name="p278522265093530"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row282206697093530"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p462929253093530"><a name="p462929253093530"></a><a name="p462929253093530"></a><a href="hdfobject.md#a8618faeb67f830c63ac42828e232c544">objectId</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p258943856093530"><a name="p258943856093530"></a><a name="p258943856093530"></a>int32_t </p>
</td>
</tr>
</tbody>
</table>

## **Details**<a name="section1800586328093530"></a>

## **Field Documentation**<a name="section227684277093530"></a>

## objectId<a name="a8618faeb67f830c63ac42828e232c544"></a>

```
int32_t HdfObject::objectId
```

 **Description:**

Base object ID