disagreement/docs/events.md
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Add VoiceStateUpdate event (#70)
2025-06-11 18:24:16 -06:00

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# Events
Disagreement dispatches Gateway events to asynchronous callbacks. Handlers can be registered with `@client.event` or `client.on_event`.
Listeners may be removed later using `EventDispatcher.unregister(event_name, coro)`.
## Raw Events
Every Gateway event is also emitted with a `RAW_` prefix containing the unparsed payload. Raw events fire **before** any caching or parsing occurs.
```python
@client.on_event("RAW_MESSAGE_DELETE")
async def handle_raw_delete(payload: dict):
print("message deleted", payload["id"])
```
## PRESENCE_UPDATE
Triggered when a user's presence changes. The callback receives a `PresenceUpdate` model.
```python
@client.event
async def on_presence_update(presence: disagreement.PresenceUpdate):
...
```
## TYPING_START
Dispatched when a user begins typing in a channel. The callback receives a `TypingStart` model.
```python
@client.event
async def on_typing_start(typing: disagreement.TypingStart):
...
```
## GUILD_MEMBER_ADD
Fired when a new member joins a guild. The callback receives a `Member` model.
```python
@client.event
async def on_guild_member_add(member: disagreement.Member):
...
```
## GUILD_MEMBER_REMOVE
Triggered when a member leaves or is removed from a guild. The callback
receives a `GuildMemberRemove` model.
```python
@client.event
async def on_guild_member_remove(event: disagreement.GuildMemberRemove):
...
```
## GUILD_BAN_ADD
Dispatched when a user is banned from a guild. The callback receives a
`GuildBanAdd` model.
```python
@client.event
async def on_guild_ban_add(event: disagreement.GuildBanAdd):
...
```
## GUILD_BAN_REMOVE
Dispatched when a user's ban is lifted. The callback receives a
`GuildBanRemove` model.
```python
@client.event
async def on_guild_ban_remove(event: disagreement.GuildBanRemove):
...
```
## CHANNEL_UPDATE
Sent when a channel's settings change. The callback receives an updated
`Channel` model.
```python
@client.event
async def on_channel_update(channel: disagreement.Channel):
...
```
## GUILD_ROLE_UPDATE
Emitted when a guild role is updated. The callback receives a
`GuildRoleUpdate` model.
```python
@client.event
async def on_guild_role_update(event: disagreement.GuildRoleUpdate):
...
```
## SHARD_CONNECT
Fired when a shard establishes its gateway connection. The callback receives a
dictionary with the shard ID.
```python
@client.event
async def on_shard_connect(info: dict):
print("shard connected", info["shard_id"])
```
## SHARD_DISCONNECT
Emitted when a shard's gateway connection is closed. The callback receives a
dictionary with the shard ID.
```python
@client.event
async def on_shard_disconnect(info: dict):
...
```
## SHARD_RESUME
Sent when a shard successfully resumes after a reconnect. The callback receives
a dictionary with the shard ID.
```python
@client.event
async def on_shard_resume(info: dict):
...
```
## VOICE_STATE_UPDATE
Triggered when a user's voice connection state changes, such as joining or leaving a voice channel. The callback receives a `VoiceStateUpdate` model.
```python
@client.event
async def on_voice_state_update(state: disagreement.VoiceStateUpdate):
...
```