feat(Telegram Node): Add support for sending messages to forum topics (#5746)

packages/nodes-base/nodes/Telegram/Telegram.node.ts

@@ -1609,6 +1609,29 @@ export class Telegram implements INodeType {
 						default: 0,
 						description: 'If the message is a reply, ID of the original message',
 					},
+					{
+						displayName: 'Message Thread ID',
+						name: 'message_thread_id',
+						type: 'number',
+						displayOptions: {
+							show: {
+								'/operation': [
+									'sendAnimation',
+									'sendAudio',
+									'sendChatAction',
+									'sendDocument',
+									'sendLocation',
+									'sendMediaGroup',
+									'sendMessage',
+									'sendPhoto',
+									'sendSticker',
+									'sendVideo',
+								],
+							},
+						},
+						default: 0,
+						description: 'The unique identifier of the forum topic',
+					},
 					{
 						displayName: 'Title',
 						name: 'title',