# DispatchDocsEventFailureReason type 参考 (/zh-CN/api-reference/whiteboard/whiteboard-sdk/harmonyos/class-dispatch-docs-event-failure-reason)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="details"></a>

## 详细描述 [#详细描述]

适用版本：**@shengwang/whiteboard 0.2.11**。

统一课件命令被拒绝的原因字符串联合类型。

可从 @shengwang/whiteboard 直接导入 DispatchDocsEventFailureReason。仅用于类型声明，不能作为构造函数调用 new。

## 类型结构（源码声明） [#类型结构源码声明]

下方源码文件的 export 声明不等同于 SDK 包入口导出；业务导入方式以上方说明为准。

```text
export type DispatchDocsEventFailureReason =
  | "invalidEvent"
  | "invalidOptions"
  | "targetNotFound"
  | "targetNotSupported"
  | "eventNotSupported"
  | "notWritable"
  | "stateUnavailable"
  | "outOfRange"
  | "commandFailed";
```

## 类型定义 [#类型定义]

```text
 =
  | "invalidEvent"
  | "invalidOptions"
  | "targetNotFound"
  | "targetNotSupported"
  | "eventNotSupported"
  | "notWritable"
  | "stateUnavailable"
  | "outOfRange"
  | "commandFailed";
```