const TrezSmsClient = require("trez-sms-client");
const client = new TrezSmsClient("username", "password");

client.autoSendCode("09301234567", "Signiture Footer For Branding")
    .then((messageId) => {
        console.log("Sent Message ID: " + messageId);
    })
    .catch(error => console.log(error));

client.checkCode("09301234567", "595783")
    .then((isValid) => {
        if (isValid) {
            console.log("Code 595783 for this number 09301234567 is valid and verified.");
        }
        else {
            console.log("Provided code for that number is not valid!");
        }
    })
    .catch(error => console.log(error));

client.manualSendCode("09301234567", "Verification Code: 595783 \nTrez WebService SMS")
    .then((messageId) => {
        console.log("Sent Message ID: " + messageId);
    })
    .catch(error => console.log(error));

client.sendMessage(sender, numbers, message, groupId)
	.then((receipt) => {
		console.log("Receipt: " + receipt);
	})
	.catch((error) => {
		// If there is an error, we'll catch that
		console.log(error.isHttpException, error.code, error.message);
	});

const recipients = [
							  // Unique ID,  Mobile Number, Message
	client.createRecipientObject("11445599", "0912xxxxxxx", "This is a message"),
	client.createRecipientObject("99854710", "0930xxxxxxx", "This is another message"),
];

client.sendBatchMessage(sender, recipients, groupId)
	.then((result) => {
		console.log("Result: " + result); // [{"Id":11445599,"Mobile":"09123456789","Result":2000}, {"Id":99854710,"Mobile":"09301234567","Result":2001}]
	})
	.catch((error) => {
		console.log(error.isHttpException, error.code, error.message);
	});

client.messageStatus(groupId)
	.then((result) => {
		console.log(result[0].received, result[0].status, result[0].message, result[0].number);
	})
	.catch((error) => {
		console.log(error.isHttpException, error.code, error.message);
	});

client.batchMessageStatus(ids)
	.then((result) => {
		console.log(result);
	})
	.catch((error) => {
		console.log(error.isHttpException, error.code, error.message);
	});

const from = 1557695398; // from date in timestamp
const to = 1557868230; // till date in timestamp
const page = 1;

client.receivedMessages(receiver, from, to, page)
	.then((result) => {
		console.log(result.totalPages, result.currentPage, result.messages); // 10, 1, [{from: 09381234567, date: 1557695511, message: 'سلام'}]
	})
	.catch((error) => {
		console.log(error.isHttpException, error.code, error.message);
	});

client.accountCredit()
	.then((credit) => {
		console.log(credit + " Rials"); // 500000 Rials
	})
	.catch((error) => {
		console.log(error.isHttpException, error.code, error.message);
	});

client.prices()
	.then((prices) => {
		console.log("Farsi: " + prices.fa + " Rials, English: " + prices.en + " Rials"); // Farsi: 129 Rials, English: 295 Rials
	})
	.catch((error) => {
		console.log(error.isHttpException, error.code, error.message);
	});

ویدیوی آموزشی node js