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Connect AWS DynamoDB and Send WhatsApp messages using Vonage API in our serverless environment

Use this template to Read items from AWS DynamoDB table using them to send WhatsApp messages using Vonage API.

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Read items from AWS DynamoDB table

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

async fetch(publish, done) {
// TODO: Customize the scan command
// More info at: https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/clients/client-dynamodb/interfaces/scancommandinput.html
const scanCommand = new ScanCommand({
TableName: "table-name"
});

const result = await this.awsDynamodb.send(scanCommand);

for (const item of result.Items) {
await publish(item);
}

done();
}

async close() {}
}

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Send WhatsApp messages using Vonage API

Used integrations:
class HttpTargetVonageSendWhatsapp {
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.axiosClient = 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

// TODO: Customize your request checking the API documentation:
// https://dashboard.nexmo.com/messages/sandbox
await this.axiosClient.post("/messages", {
from: WHATSAPP_NUMBER,
message_type: "text",
channel: "whatsapp",
to: item.to,
text: item.text,
});
}

async close() {}
}

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