From a6603bbf0e0a23d850a80ada54c9312ba7f26b15 Mon Sep 17 00:00:00 2001
From: Puncher <65789180+Puncher1@users.noreply.github.com>
Date: Tue, 7 Mar 2023 02:15:22 +0100
Subject: [PATCH] Add missing param send_start_notification to create_instance

---
 discord/channel.py | 14 ++++++++++++--
 discord/http.py    |  1 +
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/discord/channel.py b/discord/channel.py
index d8fe6e544..c276f54d2 100644
--- a/discord/channel.py
+++ b/discord/channel.py
@@ -1546,7 +1546,12 @@ class StageChannel(VocalGuildChannel):
         return utils.get(self.guild.stage_instances, channel_id=self.id)
 
     async def create_instance(
-        self, *, topic: str, privacy_level: PrivacyLevel = MISSING, reason: Optional[str] = None
+        self,
+        *,
+        topic: str,
+        privacy_level: PrivacyLevel = MISSING,
+        send_start_notification: bool = False,
+        reason: Optional[str] = None,
     ) -> StageInstance:
         """|coro|
 
@@ -1562,7 +1567,10 @@ class StageChannel(VocalGuildChannel):
             The stage instance's topic.
         privacy_level: :class:`PrivacyLevel`
             The stage instance's privacy level. Defaults to :attr:`PrivacyLevel.guild_only`.
-        reason: Optional[:class:`str`]
+        send_start_notification: :class:`bool`
+            Whether to send a start notification. This sends a push notification to @everyone if ``True``. Defaults to ``False``.
+            You must have :attr:`~Permissions.mention_everyone` to do this.
+        reason: :class:`str`
             The reason the stage instance was created. Shows up on the audit log.
 
         Raises
@@ -1588,6 +1596,8 @@ class StageChannel(VocalGuildChannel):
 
             payload['privacy_level'] = privacy_level.value
 
+        payload['send_start_notification'] = send_start_notification
+
         data = await self._state.http.create_stage_instance(**payload, reason=reason)
         return StageInstance(guild=self.guild, state=self._state, data=data)
 
diff --git a/discord/http.py b/discord/http.py
index 8b97504bd..1f9780578 100644
--- a/discord/http.py
+++ b/discord/http.py
@@ -2292,6 +2292,7 @@ class HTTPClient:
             'channel_id',
             'topic',
             'privacy_level',
+            'send_start_notification',
         )
         payload = {k: v for k, v in payload.items() if k in valid_keys}