verify(contactNumber, otp, callback) {
        let args = {
                authkey: this.authKey,
                mobile: contactNumber,
                otp: otp
            };
        return SendOtp.doRequest('get', "verifyRequestOTP.php", args, callback);
    }
/**
     * Verify Otp to given mobile number
     * @param {string} contactNumber receiver's mobile number along with country code
     * @param {string} otp otp to verify
     * Return promise if no callback is passed and promises available
     */
Verify Otp to given mobile number
@param {string} contactNumber receiver's mobile number along with country code
@param {string} otp otp to verify
Return promise if no callback is passed and promises available
Verify Otp to given mobile number @param { string } contactNumber receiver ' s mobile number along with country code @param { string } otp otp to verify Return promise if no callback is passed and promises available
verify(contactNumber, otp, callback) {
        let args = {
                authkey: this.authKey,
                mobile: contactNumber,
                otp: otp
            };
        return SendOtp.doRequest('get', "verifyRequestOTP.php", args, callback);
    }
verify ( contactNumber , otp , callback ) { let args = { authkey : this . authKey , mobile : contactNumber , otp : otp } ; return SendOtp . doRequest ( 'get' , "verifyRequestOTP.php" , args , callback ) ; }
Verify Otp to given mobile number
 @param {string} contactNumber receiver's mobile number along with country code
 @param {string} otp otp to verify
 Return promise if no callback is passed and promises available
Verify Otp to given mobile number @param { string } contactNumber receiver ' s mobile number along with country code @param { string } otp otp to verify Return promise if no callback is passed and promises available