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SMS Sending

The ABP Framework provides an abstraction to sending SMS. Having such an abstraction has some benefits;

  • You can then easily change your SMS sender without changing your application code.
  • If you want to create reusable application modules, you don't need to make assumption about how the SMS are sent.

Installation

It is suggested to use the ABP CLI to install this package.

Using the ABP CLI

Open a command line window in the folder of the project (.csproj file) and type the following command:

abp add-package Volo.Abp.Sms

If you haven't done it yet, you first need to install the ABP CLI. For other installation options, see the package description page.

Manual Installation

If you want to manually install;

  1. Add the Volo.Abp.Sms NuGet package to your project:
Install-Package Volo.Abp.Sms
  1. Add the AbpSmsModule to the dependency list of your module:
[DependsOn(
    //...other dependencies
    typeof(AbpSmsModule) //Add the new module dependency
    )]
public class YourModule : AbpModule
{
}

Sending SMS

Inject the ISmsSender into any service and use the SendAsync method to send a SMS.

Example:

using System.Threading.Tasks;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Sms;

namespace MyProject
{
    public class MyService : ITransientDependency
    {
        private readonly ISmsSender _smsSender;

        public MyService(ISmsSender smsSender)
        {
            _smsSender = smsSender;
        }

        public async Task DoItAsync()
        {
            await _smsSender.SendAsync(
                "+012345678901",        // target phone number
                "This is test sms..."   // message text
            );
        }
    }
}

The given SendAsync method in the example is an extension method to send an SMS with primitive parameters. In addition, you can pass an SmsMessage object which has the following properties:

  • PhoneNumber (string): Target phone number
  • Text (string): Message text
  • Properties (Dictionary<string, string>): Key-value pairs to pass custom arguments

NullSmsSender

NullSmsSender is a the default implementation of the ISmsSender. It writes SMS content to the standard logger, rather than actually sending the SMS.

This class can be useful especially in development time where you generally don't want to send real SMS. However, if you want to actually send SMS, you should implement the ISmsSender in your application code.

Implementing the ISmsSender

You can easily create your SMS sending implementation by creating a class that implements the ISmsSender interface, as shown below:

using System.IO;
using System.Threading.Tasks;
using Volo.Abp.Sms;
using Volo.Abp.DependencyInjection;

namespace AbpDemo
{
    public class MyCustomSmsSender : ISmsSender, ITransientDependency
    {
        public async Task SendAsync(SmsMessage smsMessage)
        {
            // Send sms
        }
    }
}

More

ABP Commercial provides Twilio integration package to send SMS over Twilio service.

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