feat(http): add guild_scheduled_event_id to create_stage_instance (…

…#2283)

twilight-http/src/request/channel/stage/create_stage_instance.rs

@@ -9,14 +9,19 @@ use serde::Serialize;
 use std::future::IntoFuture;
 use twilight_model::{
     channel::{stage_instance::PrivacyLevel, StageInstance},
-    id::{marker::ChannelMarker, Id},
+    id::{
+        marker::{ChannelMarker, ScheduledEventMarker},
+        Id,
+    },
 };
 use twilight_validate::request::{stage_topic as validate_stage_topic, ValidationError};
 
 #[derive(Serialize)]
 struct CreateStageInstanceFields<'a> {
     channel_id: Id<ChannelMarker>,
     #[serde(skip_serializing_if = "Option::is_none")]
+    guild_scheduled_event_id: Option<Id<ScheduledEventMarker>>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     privacy_level: Option<PrivacyLevel>,
     #[serde(skip_serializing_if = "Option::is_none")]
     send_start_notification: Option<bool>,
@@ -43,6 +48,7 @@ impl<'a> CreateStageInstance<'a> {
         Ok(Self {
             fields: CreateStageInstanceFields {
                 channel_id,
+                guild_scheduled_event_id: None,
                 privacy_level: None,
                 send_start_notification: None,
                 topic,
@@ -51,6 +57,16 @@ impl<'a> CreateStageInstance<'a> {
         })
     }
 
+    /// Set the guild scheduled event associated with this stage instance.
+    pub const fn guild_scheduled_event_id(
+        mut self,
+        guild_scheduled_event_id: Id<ScheduledEventMarker>,
+    ) -> Self {
+        self.fields.guild_scheduled_event_id = Some(guild_scheduled_event_id);
+
+        self
+    }
+
     /// Set the [`PrivacyLevel`] of the instance.
     pub const fn privacy_level(mut self, privacy_level: PrivacyLevel) -> Self {
         self.fields.privacy_level = Some(privacy_level);