types(GuildScheduledEvent): allow setting null for description

packages/discord.js/src/managers/GuildScheduledEventManager.js

@@ -196,7 +196,7 @@ class GuildScheduledEventManager extends CachedManager {
    * @property {DateResolvable} [scheduledEndTime] The time to end the event at
    * @property {GuildScheduledEventPrivacyLevel} [privacyLevel] The privacy level of the guild scheduled event
    * @property {GuildScheduledEventEntityType} [entityType] The scheduled entity type of the event
-   * @property {string} [description] The description of the guild scheduled event
+   * @property {?string} [description] The description of the guild scheduled event, or `null` to remove it
    * @property {?GuildVoiceChannelResolvable} [channel] The channel of the guild scheduled event
    * @property {GuildScheduledEventStatus} [status] The status of the guild scheduled event
    * @property {GuildScheduledEventEntityMetadataOptions} [entityMetadata] The entity metadata of the

packages/discord.js/src/structures/GuildScheduledEvent.js

@@ -470,7 +470,7 @@ class GuildScheduledEvent extends Base {
   /**
    * Sets the new description of the guild scheduled event.
    *
-   * @param {string} description The description of the guild scheduled event
+   * @param {?string} description The description of the guild scheduled event, or `null` to remove it
    * @param {string} [reason] The reason for changing the description
    * @returns {Promise<GuildScheduledEvent>}
    * @example

packages/discord.js/typings/index.d.ts

@@ -1817,7 +1817,7 @@ export class GuildScheduledEvent<Status extends GuildScheduledEventStatus = Guil
     reason?: string,
   ): Promise<GuildScheduledEvent<Status>>;
   public setScheduledEndTime(scheduledEndTime: DateResolvable, reason?: string): Promise<GuildScheduledEvent<Status>>;
-  public setDescription(description: string, reason?: string): Promise<GuildScheduledEvent<Status>>;
+  public setDescription(description: string | null, reason?: string): Promise<GuildScheduledEvent<Status>>;
   public setStatus<AcceptableStatus extends GuildScheduledEventSetStatusArg<Status>>(
     status: AcceptableStatus,
     reason?: string,
@@ -6453,7 +6453,7 @@ export interface GuildListMembersOptions {
 
 export interface BaseGuildScheduledEventOptions {
   channel?: GuildVoiceChannelResolvable | null;
-  description?: string;
+  description?: string | null;
   entityMetadata?: GuildScheduledEventEntityMetadataOptions;
   entityType?: GuildScheduledEventEntityType;
   image?: Base64Resolvable | BufferResolvable | null;
@@ -6468,6 +6468,7 @@ export interface BaseGuildScheduledEventOptions {
 // TODO: use conditional types for better TS support
 export interface GuildScheduledEventCreateOptions extends BaseGuildScheduledEventOptions {
   channel?: GuildVoiceChannelResolvable;
+  description?: string;
   entityType: GuildScheduledEventEntityType;
   name: string;
   privacyLevel: GuildScheduledEventPrivacyLevel;

packages/discord.js/typings/index.test-d.ts

@@ -139,6 +139,7 @@ import type {
   GuildMessageManager,
   GuildOnboarding,
   GuildResolvable,
+  GuildScheduledEventCreateOptions,
   GuildScheduledEventManager,
   GuildScheduledEventRecurrenceRuleOptions,
   GuildTextBasedChannel,
@@ -2999,6 +3000,14 @@ client.on('interactionCreate', async interaction => {
 
 declare const guildScheduledEventManager: GuildScheduledEventManager;
 await guildScheduledEventManager.edit(snowflake, { recurrenceRule: null });
+await guildScheduledEventManager.edit(snowflake, { description: null });
+
+{
+  const event = await guildScheduledEventManager.fetch(snowflake);
+  await event.setDescription(null);
+  await event.edit({ description: null });
+  expectNotAssignable<GuildScheduledEventCreateOptions['description']>(null);
+}
 
 {
   expectNotAssignable<GuildScheduledEventRecurrenceRuleOptions>({