# Rooms messages reactions send
Use the `ably rooms messages reactions send` command to send a reaction to a message in a chat room.
## Synopsis
### Shell
```
ably rooms messages reactions send [options]
```
## Arguments
### `room-name` **(Required)**
The name of the chat room containing the message.
### `message-serial` **(Required)**
The serial identifier of the message to react to.
### `reaction` **(Required)**
The emoji reaction to send.
## Options
### `--type`
The type of reaction. Options are `unique`, `distinct`, or `multiple`.
### `--count`
The number of reactions to send. Only applicable when `--type` is set to `multiple`.
### `--client-id`
A client ID to use when sending the reaction.
### `--json`
Output results as compact JSON. Mutually exclusive with `--pretty-json`.
### `--pretty-json`
Output results in formatted JSON. Mutually exclusive with `--json`.
### `--verbose | -v`
Enable verbose logging. Can be combined with `--json` or `--pretty-json`.
## Examples
Send a reaction to a message:
### Shell
```
ably rooms messages reactions send my-room "msg-serial" "thumbsup"
```
Send a reaction with a specific type:
### Shell
```
ably rooms messages reactions send my-room "msg-serial" "heart" --type unique
```
Send multiple reactions:
### Shell
```
ably rooms messages reactions send my-room "msg-serial" "clap" --type multiple --count 5
```
Send a reaction using an API key environment variable:
### Shell
```
ABLY_API_KEY="YOUR_API_KEY" ably rooms messages reactions send my-room "msg-serial" heart
```
Send a reaction and output the result in JSON format:
### Shell
```
ably rooms messages reactions send my-room "msg-serial" thumbsup --json
```
## See also
* [Rooms](https://ably.com/docs/cli/rooms.md) — Explore all `ably rooms` commands.
* [CLI reference](https://ably.com/docs/cli.md) — Full list of available commands.
## Related Topics
- [subscribe](https://ably.com/docs/cli/rooms/messages/reactions/subscribe.md): Subscribe to message reactions in an Ably Chat room using the CLI.
- [remove](https://ably.com/docs/cli/rooms/messages/reactions/remove.md): Remove a reaction from a message in an Ably Chat room using the CLI.
## Documentation Index
To discover additional Ably documentation:
1. Fetch [llms.txt](https://ably.com/llms.txt) for the canonical list of available pages.
2. Identify relevant URLs from that index.
3. Fetch target pages as needed.
Avoid using assumed or outdated documentation paths.