Use template (Slack Channel New Message to Twilio SMS) to send an SMS for every new message on Slack.

Use case

We can use track new incoming messages for a specific Slack channel using this.

Prerequisites

• Pull the template from central
  bal new -t choreo/slack_new_message_to_twilio_sms <newProjectName>
• Slack Account
• Twilio Account

Setting up Slack account

1. Create a Slack app which connects to your development workspace. More information on this can be found here.
2. Obtain an OAuth token for the app visiting OAuth & Permissions tab in app Features.
3. Generate an OAuth token linking the specific workspace, providing the necessary scopes. (Ex. incoming-webhook, channels:history)
4. Create your own Slack app and enable Event Subscription in your Slack app settings. (Request URL Ex: <PUBLIC_URL>/slack/events)
5. Subscribe to the events that you are planning to listen and save changes. (Ex: message.channels)
6. Obtain verification token from the Basic Information section of your Slack App
7. Add the created Slack app to the Slack channel

Setting up Twilio account

1. To use Twilio service, you need to provide the following:

   • Account SId
   • Auth Token

Configuration

Create a file called Config.toml at the root of the project

Config.toml

[<ORG_NAME>.slack_new_message_to_twilio_sms]
fromMobile= <SAMPLE_FROM_MOBILE>"
toMobile = "<SAMPLE_TO_MOBILE>"
verificationToken = "<SLACK_VERIFICATION_TOKEN>"
channelId = "<SLACK_CHANNEL_ID>"

[<ORG_NAME>.slack_new_message_to_twilio_sms.twilioClientConfig]
accountSId = "<ACCOUNT_SID>"
authToken = "<AUTH_TOKEN>"

Phone numbers must be provided in E.164 format: +, for example: +16175551212 Channel ID must be obtianed by the channel URL or using below steps.

1. Click on your channel name <#channel name>
2. Scroll down the drop down ot the bottom
3. Copy the channel ID.

Testing

Run the Ballerina project created by the integration template by executing bal run from the root.

You can check for Twilio SMS once new Slack message is received.