# > Icon map object图标拓扑图对象
The following objects are directly related to the `iconmap`
API.以下是iconmap API的使用方法。
### Icon map 图标拓扑图
The icon map object has the following
properties.图标拓扑图对象有以下属性。
|属性 类|说明|<|
|----------------------------|------|-|
|iconmapid|string|*(readonly)* ID of the icon map.（只读）图标拓扑图ID。|
|**default\_iconid**
(reqiured)|string|ID of the default icon.默认图标的ID。|
|**name**
(required)|string|Name of the icon map. 图标拓扑图的名称。|
### Icon mapping 图标映射
The icon mapping object defines a specific icon to be used for hosts
with a certain inventory field value. It has the following
properties.图标映射对象定义了一个具体的图标，给具有特定资产清单字段值的主机使用。图标映射有以下属性。
|属性 类|说明|<|
|----------------------------|------|-|
|iconmappingid|string|*(readonly)* ID of the icon map.（只读）图标拓扑图ID。|
|**iconid**
(required)|string|ID of the icon used by the icon mapping.被图标映射使用到的图标ID。|
|**expression**
(required)|string|Expression to match the inventory field against. 使资产清单字段匹配的表达式。|
|**inventory\_link**
(required)|integer|ID of the host inventory field.主机资产清单字段ID。
Refer to the [host inventory object](/manual/api/reference/host/object#host_inventory) for a list of supported inventory fields. 参考host inventory object支持的资产清单字段列表。|
|iconmapid|string|*(readonly)* ID of the icon map that the icon mapping belongs to. （只读）图标映射所属的图标拓扑图ID。|
|sortorder|integer|*(readonly)* Position of the icon mapping in the icon map.（只读）在图标拓扑图中图标映射的位置。|