Build serverless PubNub Functions for message transformation, webhooks, and scheduled intervals.
npx skills add https://github.com/pubnub/skills --skill pubnub-functions
Please help me install this Agent Skill. Skill: pubnub-functions Source: https://github.com/pubnub/skills/tree/main/pubnub-functions Command: npx skills add https://github.com/pubnub/skills --skill pubnub-functions
PubNub Functions 2.0 enables developers to run serverless edge code that processes and routes PubNub events with low latency, without managing infrastructure.
Use Case: Imagine enriching every incoming message with user data from KVStore and emitting analytics events for real-time dashboards.
Create a function that reads a user profile from KVStore, enriches an incoming message, and fires an analytics event.
High-intent search queries and answers about installing and using this skill.
Serverless edge functions process and route PubNub events with low latency, enabling message transformation and enrichment without infrastructure management. You can build functions to intercept published messages, modify payloads, and deliver them to subscribers instantly.
KVStore allows you to read and write stateful data within edge functions. You can enrich incoming messages by fetching user profiles from KVStore, appending the data to the payload, and emitting the updated event for downstream subscribers.
Webhooks and HTTP endpoints allow edge functions to trigger external API integrations automatically. You can use the xhr module within your function to send HTTP requests to external services whenever a specific PubNub message is published.
Scheduled intervals are supported, allowing you to run serverless edge functions periodically. You can configure functions to execute on a timer, enabling lightweight analytics triggers or routine data processing without requiring a manual publish event.
Serverless edge functions have guardrails on operation limits and require robust error handling when using async/await patterns. You must manage asynchronous operations carefully to avoid hitting execution limits or failing silently during external API calls and KVStore access.
The vault module secures sensitive credentials used inside serverless edge functions. You can store API keys and secrets in the vault, accessing them securely at runtime without hardcoding sensitive values directly in your function logic.
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