# Enumeration MessageBlockSourceType

消息被拦截的触发来源

#### Version

1.0.0

- Defined in message/model/MessageBlockInfo.ts:75

##### Index

### Enumeration Members

Default
Extension
Modification

## Enumeration Members

### Default

Default: 0

默认，原始消息内容被拦截

- Defined in message/model/MessageBlockInfo.ts:79

### Extension

Extension: 1

消息扩展被拦截

- Defined in message/model/MessageBlockInfo.ts:84

### Modification

Modification: 2

修改的消息内容被拦截

- Defined in message/model/MessageBlockInfo.ts:89