Connect Airtable and Send WhatsApp messages with template using Vonage API in our serverless environment

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

        // TODO: Customize your base id and table id
        // More info at https://support.airtable.com/docs/understanding-airtable-ids
        this.table = this.airtableClient
            .base("your-base-id")
            .table("your-table-id");
    }

    async fetch(publish, done) {
        await this.table
            .select({
                // TODO: Provide optional parameters
                // Airtable creates a dynamic docs page for each base
                // Visit yours at https://airtable.com/{your-base-id}/api/docs
                maxRecords: 30,
            })
            .eachPage(async (records, fetchNextPage) => {
                for (const record of records) {
                    const {
                        id,
                        fields
                    } = record._rawJson;

                    // TODO: Customize record columns mapping to the item that will be published
                    const item = {
                        id,
                        name: fields.name
                    };

                    await publish(item);
                }
                fetchNextPage();
            }, done);
    }

    async close() {}
}

class HttpTargetVonageSendWhatsappTemplate {
    async init() {
        // TODO: Create your http credential with Vonage information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // baseUrl: https://messages-sandbox.nexmo.com/v1
        // username: <your-vonage-api-key>
        // password: <your-vonage-api-secret>
        this.httpClient = yepcode.integration.http(
            "your-http-vonage-credential-name"
        );
    }

    async consume(item) {
        const WHATSAPP_NUMBER = "14157386204"; // The WhatsApp number that has been allocated to you by Vonage
        const WHATSAPP_TEMPLATE_NAMESPACE = "9b6b4fcb_da19_4a26_8fe8_78074a91b584";
        const WHATSAPP_TEMPLATE_NAME = "verify";

        // TODO: Customize your request checking the API documentation:
        // https://developer.vonage.com/messages/code-snippets/whatsapp/send-mtm
        await this.httpClient.post("/messages", {
            from: WHATSAPP_NUMBER,
            to: item.to,
            message_type: "template",
            channel: "whatsapp",
            whatsapp: {
                policy: "deterministic",
                locale: "en-GB",
            },
            template: {
                name: `${WHATSAPP_TEMPLATE_NAMESPACE}:${WHATSAPP_TEMPLATE_NAME}`,
                parameters: ["YepCode verification", "64873", 10],
            },
        });
    }

    async close() {}
}