The document discusses LINE groups and proposes new features for LINE group messaging. It describes what LINE groups currently are as sets of LINE users who can exchange messages, notes, and media. It then outlines proposed new features for LINE groups, including adding multiple chat rooms per group, flexible member roles, and admission settings. Sample applications are provided to demonstrate how bots could be integrated into group chat to provide additional functions through keywords.

2. Why Group?
CONTENTS
PLATFORM
LIFE
PLATFORM
MESSENGER
PLATFORM

3. Why Group?
1:1
MESSENGER PLATFORM
1:Bot 1:Group

4. Why Group?
LINE AS-IS
Partner
Relatives
Family
Friends Team
Projec
t
Departmen
t
Company
Class
Projec
t
School club
School
Area of study
Interest
Fan club
Common
interests
Area
Events
Get-
togethers
Intimate Distant

5. Why Group?
LINE AS-IS
Partner
Relatives
Family
Friends Team
Projec
t
Departmen
t
Company
Class
Projec
t
School club
School
Area of study
Interest
Fan club
Area
Events
Get-
togethers
Intimate Distant
2 0 0
p e o p l e
TO-BE
Use of group searches, aliases
Increase
number
of users
+
Features
required
for large
groups
Common
interests

6. BTW, What is a
LINE Group?

7. BTW, What is a
LINE Group?
Set of LINE users

8. BTW, What is a
LINE Group?
Set of LINE users

9. BTW, What is a
LINE Group?
Set of LINE users
Friends of friends only

10. BTW, What is a
LINE Group?
Set of LINE users
Friends of friends only
Closed
Chat, notes, and albums

11. BTW, What is a
LINE Group?
Set of LINE users
Friends of friends only
Closed
Chat, notes, and albums

12. BTW, What is a
LINE Group?
Set of LINE users
Friends of friends only
Closed
Chat, notes, and albums

13. BTW, What is a
LINE Group?
Set of LINE users
Friends of friends only
Closed
Chat, notes, and albums

14. BTW, What is a
LINE Group?
Set of LINE users
Friends of friends only
Closed
Chat, notes, and albums
1 chat room

15. Requests for LINE Group
Member management
Flexible chats
Chat history
More

16. Introducing a New Group
Group
1.x
Group
2.0

17. 3 Member Levels
Owner
1 member level -> 3 member levels
NormalAdmin

18. Admission Types
No permission
No permission
+
Need
permission

19. More Chats
1 chat /
1 group
multiple chats /
1 group

20. Group 2.0 Application

21. Group 2.0 Application

22. Group 2.0 Application

23. Group 2.0 Application

32. Sample App:
Funny Message App
The bot automatically joins the chat
The bot sends funny messages when users use keywords
Users set keywords for funny messages
From the webview in the chat

35. Funny Text
Bot
Main page

36. The user
sends
A message

37. Funny Text Bot Flow
Channel API
Client
Channel
Gateway
Applica
tion
Server
is a valid request?
result
return the page
set a key-value pair
open the main
page

38. Funny Text Bot Flow
Channel API
Client
Channel
Gateway
Applica
tion
Server
is a valid request?
result
return the page
set a key-value pair
send a message to the talk room
open the main
page
Messaging API
deliver the message
send a messagereceive the message
pick a
text
Messaging API

39. Funny Text Bot Flow
Channel API
Client
Channel
Gateway
Applica
tion
Server
is a valid request?
result
return the page
set a key-value pair
send a message to the talk room
open the main
page
Messaging API
deliver the message
show an app pagevisit the page
pick a
text

40. Difficulties with Token Type
User Access Token
Group Access Toke
n
Channel Access Token

41. User Access Token
Channel ID
User ID
Various ids in user access tok
en
group ID
?

42. Group Application Token
Channel ID
Group ID
Imaginary group app token
LGTM?

43. Channel Access Token
Channel ID
Channel access token
group ID
as a parameter

44. Front-end SDK
LINE Channel SDK

45. Front-end SDK
LINE Channel
SDK
Open
LINE Channel
SDK?