1✅ Visual conversation designer
2✅ Built-in AI/NLU
3✅ Knowledge base integration
4✅ Multi-channel deployment
5✅ Great free tier
6✅ Active community

1Steps:
21. Go to voiceflow.com
32. Sign up (free)
43. Create new project
54. Choose "Chat Assistant"
65. Name your project

1┌─────────────────────────────────────────────────┐
2│  [Project Name]     [Preview] [Publish] [Share] │
3├────────┬────────────────────────────────────────┤
4│        │                                        │
5│ Steps  │         CANVAS                         │
6│ Panel  │    (Drag & drop blocks here)          │
7│        │                                        │
8│ ────── │    ┌─────┐    ┌─────┐                 │
9│ Blocks │    │Start│───▶│Block│                 │
10│        │    └─────┘    └─────┘                 │
11│        │                                        │
12└────────┴────────────────────────────────────────┘

1Where you build flows:
2- Drag blocks from left panel
3- Connect with arrows
4- Visual flow representation
5- Zoom in/out
6- Mini-map navigation

1Available blocks:
2- Start: Entry point
3- Listen: Wait for user input
4- AI: Generate responses
5- Set: Variables
6- Conditions: If/else logic
7- Integrations: API calls
8- And more...

1Building blocks of conversations:
2 
3Start Block:
4- Beginning of flow
5- Every flow needs one
6 
7Talk Block:
8- Agent says something
9- Text, images, cards
10 
11Listen Block:
12- Wait for user input
13- Capture responses
14 
15AI Block:
16- Generate dynamic responses
17- Use prompts

1Store data throughout conversation:
2 
3System variables:
4- {last_utterance} - User's last message
5- {user_id} - Unique identifier
6- {platform} - web, voice, etc.
7 
8Custom variables:
9- {user_name}
10- {order_number}
11- {selected_product}

1Organize conversation into flows:
2 
3Main flows:
4- Welcome
5- Support
6- Sales
7- FAQ
8 
9Sub-flows:
10- Order tracking
11- Password reset
12- Product details

1Every project starts with:
21. Start block (auto-created)
32. Set initial variables if needed
43. Connect to first talk block

1Talk Block setup:
21. Drag "Talk" to canvas
32. Connect from Start
43. Add welcome text:
5   "Hi! I'm your assistant. How can I help?"
64. Add quick reply buttons:
7   - "Track Order"
8   - "Get Support"
9   - "Browse Products"

1Capture user response:
21. Add "Listen" block
32. Connect from Talk block
43. Configure:
5   - Intent matching (auto)
6   - Entity extraction

1Route based on response:
21. Add "Condition" block
32. Check what user selected:
4   - If "Track Order" → Order flow
5   - If "Get Support" → Support flow
6   - Else → General response

1User's goal/intention:
2 
3"I want to track my order"
4"Where is my package?"
5"Check order status"
6→ All map to: track_order intent
7 
8"I need help"
9"Talk to support"
10"I have a problem"
11→ All map to: get_support intent

1In Voiceflow:
21. Go to NLU section
32. Create new intent
43. Name: track_order
54. Add training phrases:
6   - "track my order"
7   - "where is my order"
8   - "order status"
9   - "check my delivery"
10   - Add 10-15 variations

1In Listen block:
21. Select intent matching
32. Agent auto-detects intent
43. Route to appropriate flow

1Specific data in user input:
2 
3"Track order #12345"
4→ Intent: track_order
5→ Entity: order_number = "12345"
6 
7"My email is john@email.com"
8→ Intent: provide_email
9→ Entity: email = "john@email.com"

1Voiceflow includes:
2- @sys.number (123, 1000)
3- @sys.date (tomorrow, Jan 5)
4- @sys.email (user@email.com)
5- @sys.phone (+1234567890)
6- @sys.name (John, Mary)

1Create your own:
21. Go to Entities
32. Create new entity
43. Name: product_category
54. Add values:
6   - Electronics
7   - Clothing
8   - Home & Garden
9   - Add synonyms

1Use AI to generate dynamic responses:
2 
31. Add "AI Response" block
42. Configure prompt:
5   "You are a helpful support agent.
6   Answer the user's question: {last_utterance}
7   Be concise and friendly."
83. Set model (GPT-4, etc.)

1Include context:
2"User name: {user_name}
3Order: {order_number}
4Question: {last_utterance}
5 
6Provide personalized help."

11. Click "Preview" button
22. Test window opens
33. Type messages
44. See flow execution
55. Check variable values
66. Debug issues

1Shows:
2- Current block
3- Variable values
4- Intent matched
5- Entities extracted
6- Flow path