1. INSTALL THE APP, use the button Add to Slack on the website
https://www.chatarchitect.com/slack/
Press "Allow"
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2. ADD THE APP TO SLACK CHANNEL
Go to the your channel settings
Integrations => Add an App
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3. Search our app ChatArchitect.com and press "Add"
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4. Press install and then write your app ID and app secret
Now you should have our application in the chat window
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5. Write to the new WhatsApp number from your WhatsApp mobile app on your phone
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