Connect Mailchimp and Send WhatsApp messages using Twilio in our serverless environment

class HttpSourceMailchimpListEmailSuscribers {
    async init() {
        // TODO: Create your http credential with mailchimp information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // Official docs: https://mailchimp.com/developer/marketing/api/
        this.httpClient = yepcode.integration.http(
            "your-mailchimp-credential-name"
        );
    }

    async fetch(publish, done) {
        // TODO: Set your query workflow id and your workflow email id.
        // More info at https://mailchimp.com/developer/marketing/api/automation-email-queue/list-automated-email-subscribers/
        const workflowId = "<your-workflow-id>";
        const workflowEmailId = "<your-workflow-email-id>";
        const suscriptions = await this.httpClient.get(
            `/automations/${workflowId}/emails/${workflowEmailId}/queue`
        );
        for (const suscription of suscriptions.queue) {
            await publish(suscription);
        }
        done();
    }

    async close() {}
}

class TwilioTargetSendWhatsapp {
    async init() {
        // TODO: Create your twilio credential
        // More info at https://yepcode.io/docs/integrations/twilio/#credential-configuration
        this.twilio = yepcode.integration.twilio("your-twilio-credential-name");
    }

    async consume(item) {
        // TODO: Customize your twilio phone number and message content
        // You may check the full API documentation at:
        // https://console.twilio.com/us1/develop/sms/try-it-out/whatsapp-learn

        const TWILIO_PHONE_NUMBER = "your-twilio-phone-number";
        return await this.twilio.messages
            .create({
                body: item.message,
                from: `whatsapp:${TWILIO_PHONE_NUMBER}`,
                to: item.to, // Phone number in international format
            })
            .done();
    }

    async close() {}
}