feat: Add WhatsApp Business Trigger Node (#8840)

Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Michael Kret <michael.k@radency.com>

packages/nodes-base/nodes/WhatsApp/WhatsappDescription.ts

@@ -0,0 +1,53 @@
+import type { INodeProperties } from 'n8n-workflow';
+
+export const whatsappTriggerDescription: INodeProperties[] = [
+	{
+		displayName: 'Trigger On',
+		name: 'updates',
+		type: 'multiOptions',
+		required: true,
+		default: [],
+		options: [
+			{
+				name: 'Account Review Update',
+				value: 'account_review_update',
+			},
+			{
+				name: 'Account Update',
+				value: 'account_update',
+			},
+			{
+				name: 'Business Capability Update',
+				value: 'business_capability_update',
+			},
+			{
+				name: 'Message Template Quality Update',
+				value: 'message_template_quality_update',
+			},
+			{
+				name: 'Message Template Status Update',
+				value: 'message_template_status_update',
+			},
+			{
+				name: 'Messages',
+				value: 'messages',
+			},
+			{
+				name: 'Phone Number Name Update',
+				value: 'phone_number_name_update',
+			},
+			{
+				name: 'Phone Number Quality Update',
+				value: 'phone_number_quality_update',
+			},
+			{
+				name: 'Security',
+				value: 'security',
+			},
+			{
+				name: 'Template Category Update',
+				value: 'template_category_update',
+			},
+		],
+	},
+];