Overview

This node integrates with the LINE Messaging API to perform various messaging operations such as replying to messages, pushing messages to a single recipient, sending multicast messages to multiple users, retrieving user profiles, group chat summaries, group member user IDs and profiles, fetching message content, and showing a loading animation. It is useful for automating interactions with LINE users, managing group chats, and handling multimedia message content. For example, it can be used to send a welcome message to a user, broadcast announcements to multiple users, or fetch user profile information for personalization.

Use Case Examples

1. Sending a push message to a specific user with a custom text message.
2. Replying to a user's message using the reply token provided by LINE.
3. Sending a multicast message to multiple users simultaneously.
4. Retrieving a user's profile information to display their name and picture in a chatbot interface.

Properties

Output

JSON

• success - Indicates whether the messaging operation was successful (true/false).
• message - A descriptive message about the result of the operation, e.g., confirmation of message sent.

Dependencies

• LINE Messaging API

Troubleshooting

• Missing or invalid channel access token will cause authentication errors; ensure the API key credential is correctly configured.
• Invalid or missing replyToken for replyMessage operation will cause errors; provide a valid reply token from LINE webhook events.
• Message parameter must be valid JSON and conform to LINE message format; invalid JSON or format will cause errors.
• Target recipient user ID must be a non-empty string for pushMessage operation; missing or invalid ID will cause errors.

Links

• LINE Messaging API Documentation - Official documentation for the LINE Messaging API, detailing message formats, endpoints, and usage.