[**RongIMLib**](../README.md)

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[RongIMLib](../globals.md) / GroupReadReceiptVersion

# Variable: GroupReadReceiptVersion

> `const` **GroupReadReceiptVersion**: `object`

已读回执版本

## Type Declaration

### UNKNOWN

> `readonly` **UNKNOWN**: `-1` = `-1`

未知版本，需排查导航配置是否正确，

### V1

> `readonly` **V1**: `0` = `0`

### V2

> `readonly` **V2**: `1` = `1`

### V4

> `readonly` **V4**: `3` = `3`

### V5

> `readonly` **V5**: `4` = `4`

## Since

5.30.0