- [JSON representation](https://developers.google.com/workspace/chat/api/reference/rest/v1/Emoji#SCHEMA_REPRESENTATION)

An emoji that is used as a reaction to a message.

| JSON representation |
|---|
| ``` { "unicode": string, "customEmoji": { object (`https://developers.google.com/workspace/chat/api/reference/rest/v1/customEmojis#CustomEmoji`) } } ``` |

| Fields ||
|---|---|
| Required. The content of the emoji. The following is a list of mutually exclusive fields. At most one of the fields will be set in a response: ||
| `unicode` | `string` Optional. A basic emoji represented by a unicode string. |
| `customEmoji` | ``object (`https://developers.google.com/workspace/chat/api/reference/rest/v1/customEmojis#CustomEmoji`)`` A custom emoji. |
| End of mutually exclusive fields. ||