JavaScriptUDF
import type { JavaScriptUDF } from "https://googleapis.deno.dev/v1/pubsub:v1.ts";User-defined JavaScript function that can transform or filter a Pub/Sub message.
§Properties
Required. JavaScript code that contains a function function_name with
the below signature: ``` /** * Transforms a Pub/Sub message. * @return
{(Object)>|null)} - To * filter a message, return null. To transform a
message return a map * with the following keys: * - (required) 'data' :
{string} * - (optional) 'attributes' : {Object} * Returning empty
`attributes` will remove all attributes from the * message. * * @param
{(Object)>} Pub/Sub * message. Keys: * - (required) 'data' : {string} * -
(required) 'attributes' : {Object} * * @param {Object} metadata - Pub/Sub
message metadata. * Keys: * - (optional) 'message_id' : {string} * -
(optional) 'publish_time': {string} YYYY-MM-DDTHH:MM:SSZ format * -
(optional) 'ordering_key': {string} */ function (message, metadata) { }