# dateRead

The date/time at which the message has been read by the recipient if a single recipient exists.

## Expected Types

| Type | Description |
|------|-------------|
| [Date](https://schema.org.ai/Date) | A date value in [ISO 8601 date format](http://en.wikipedia.org/wiki/ISO_8601). |
| [DateTime](https://schema.org.ai/DateTime) | A combination of date and time of day in the form \[-\]CCYY-MM-DDThh:mm:ss\[Z\|(+\|-)hh:mm\] (see Chapter 5.4 of ISO 8601). |

## Used on Types

| Type | Description |
|------|-------------|
| [Message](https://schema.org.ai/Message) | A single message from a sender to one or more organizations or people. |

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Quoted from Schema.org 30.1, https://schema.org/dateRead, under CC BY-SA 3.0. Served by the Org.AI Foundation at https://schema.org.ai/dateRead.