Create a new document in a cosmos db container using an extra outputs binding

create-a-cosmos-db-doc.ts

import {
  app,
  HttpRequest,
  HttpResponseInit,
  InvocationContext,
  output,
} from "@azure/functions";

const cosmosDBOutput = output.cosmosDB({
  connection: "CosmosDBConnection",
  databaseName: "coin-flip-db",
  containerName: "coin-flip-sessions",
});

export async function CreateDoc(
  request: HttpRequest,
  context: InvocationContext
): Promise<HttpResponseInit> {
  context.log(`Http function processed request for url "${request.url}"`);

  const name = request.query.get("name") || (await request.text()) || "world";

  context.extraOutputs.set(cosmosDBOutput, [{ name }]);

  return {
    jsonBody: {
      hi: "there",
    },
  };
}

app.http("CreateDoc", {
  methods: ["GET", "POST"],
  authLevel: "anonymous",
  handler: CreateDoc,
  extraOutputs: [cosmosDBOutput],
});