Webhook Handlers

1whatsapp.setWebhookHandlers({
2  // Handle all incoming messages
3  onMessage: async (message, metadata) => {
4    console.log('New message:', message);
5    console.log('From:', metadata.displayName);
6    console.log('Phone:', metadata.waId);
7  },
8 
9  // Handle message status updates
10  onMessageStatus: async (status) => {
11    console.log('Message status:', status.status);
12    console.log('Message ID:', status.id);
13  },
14 
15  // Handle voice messages
16  onVoice: async (voice, metadata) => {
17    console.log('Voice message received');
18    console.log('Media ID:', voice.media?.id);
19  },
20 
21  // Handle media (images, videos, documents)
22  onMedia: async (media, metadata) => {
23    console.log('Media type:', media.media?.type);
24    console.log('Media ID:', media.media?.id);
25    console.log('Caption:', media.media?.caption);
26  },
27 
28  // Handle location messages
29  onLocation: async (location, metadata) => {
30    console.log('Location:', location.location);
31    console.log('Coordinates:', {
32      lat: location.location?.latitude,
33      lng: location.location?.longitude
34    });
35  },
36 
37  // Handle contact messages
38  onContact: async (contact, metadata) => {
39    console.log('Contacts:', contact.contacts);
40  },
41 
42  // Handle interactive messages (buttons, lists)
43  onInteractive: async (interactive, metadata) => {
44    console.log('Interactive type:', interactive.interactive?.type);
45    console.log('Button reply:', interactive.interactive?.button_reply);
46  },
47 
48  // Handle reactions
49  onReaction: async (reaction, metadata) => {
50    console.log('Reaction:', reaction.reaction?.emoji);
51    console.log('To message:', reaction.reaction?.message_id);
52  },
53 
54  // Handle errors
55  onError: async (error) => {
56    console.error('Error:', error);
57  },
58 
59  // Handle unknown events
60  onUnknown: async (event) => {
61    console.log('Unknown event:', event);
62  }
63});

1interface MessageMetadata {
2  phoneNumberId?: string;      // Your phone number ID
3  displayPhoneNumber?: string;  // Your display number
4  displayName?: string;         // Sender's name
5  waId?: string;               // Sender's WhatsApp ID
6  timestamp?: string;          // Message timestamp
7  messageId?: string;          // Message ID
8}