parameter_item-h.md

# parameter\_item.h<a name="ZH-CN_TOPIC_0000001055518066"></a>

## **Overview**<a name="section1260977758093527"></a>

**Related Modules:**

[Format](Format.md)

**Description:**

Defines format-related structures and enumerations used to configure and obtain dynamic parameters. 

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section1533311418093527"></a>

## Data Structures<a name="nested-classes"></a>

<a name="table724444643093527"></a>
<table><thead align="left"><tr id="row1261654560093527"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p675005019093527"><a name="p675005019093527"></a><a name="p675005019093527"></a>Data Structure Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p1284664830093527"><a name="p1284664830093527"></a><a name="p1284664830093527"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row1958840110093527"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p2068297659093527"><a name="p2068297659093527"></a><a name="p2068297659093527"></a><a href="ParameterItem.md">ParameterItem</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1553595874093527"><a name="p1553595874093527"></a><a name="p1553595874093527"></a>Defines a structure for configuring and obtaining dynamic parameters. </p>
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</table>

## Enumerations<a name="enum-members"></a>

<a name="table1897445930093527"></a>
<table><thead align="left"><tr id="row1409798434093527"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p2138719822093527"><a name="p2138719822093527"></a><a name="p2138719822093527"></a>Enumeration Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p812645814093527"><a name="p812645814093527"></a><a name="p812645814093527"></a>Description</p>
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<tbody><tr id="row1428210752093527"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1392556828093527"><a name="p1392556828093527"></a><a name="p1392556828093527"></a><a href="Format.md#gaab0feaba617470cb4aa830dc5935238c">KeyType</a> { <a href="Format.md#ggaab0feaba617470cb4aa830dc5935238ca5a467ebeae7cb5f1568c3d881f545e70">KEY_TYPE_MIME</a> = 0x6d696d65, <a href="Format.md#ggaab0feaba617470cb4aa830dc5935238ca9e29390ad126492d6aeb3a96fe60dfd0">KEY_TYPE_HTTP_HEADERS</a> = 0x68706864, <a href="Format.md#ggaab0feaba617470cb4aa830dc5935238ca493efb89298fa6070eb02f4a4e1dc3da">KEY_TYPE_LANGUAGE</a> = 0x6c616e67, <a href="Format.md#ggaab0feaba617470cb4aa830dc5935238ca1208cc2b99c8ac61f8fb68fd743cb231">KEY_TYPE_PRE_CACHE</a> = 0x70726361 }</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p684109031093527"><a name="p684109031093527"></a><a name="p684109031093527"></a>Enumerates key types used for setting and obtaining parameters. </p>
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</table>