Step-by-Step Guide to Set Up and Test Your Slack App with google cloud functions
## 1. Login to slack app
* create a workspace
## 2. Create a Slack App
* Go to https://api.slack.com/apps
* Click "Create An App"
* Select "From scratch"
* Enter an App Name (e.g., "check blocked users") and select your workspace
* Click on "Create App"
* You will get 'Basic information' interface
* Under the '**Basic information** ', open "**Add features and functionality** "
## 3. Creating Bot
* Select "**Bots** ".
* You will be redirected to "**App Home** ".
* Under the "**First, assign a scope to your bot token** ", click the button "**Review Scopes to Add** ".
* You will be redirected to "**OAuth & Permissions**".
* Under the "**OAuth & Permissions**", scroll to "**Scopes** ", open "**Bot Token Scopes** ".
* Click on "**Add an OAuth Scope** ".
* Add `app_mentions:read` To view messages (that directly mention @checkblockedusers in conversations).
* Add `chat:write` to (send messagae as @checkBlockedUser).
* Add `channels:history`(View messages and other content in public channels that checkusers has been added to)
* Scroll up to "**OAuth Tokens for Your Workspace** " and click on "**Install to Workspace** ".
## 4. Get Your Bot Token
* Click on "**Allow** ", you will be redirected to "**OAuth and Permissions** " again,
* Copy the "**Bot User OAuth Token** " and save it for later use in firebase functions.
## 5. Set Up Event Subscriptions
* In the left sidebar, click on "Event Subscriptions" and "**Enable Events** ".
* In the Request URL, paste the webhook url, where you want to get events, i.e onRequest cloud function URL in our case. which well get afer step 6.
* Open "Subscribe to bot events", add `app_mention:read`
* Click "Save Changes" at the bottom of the page
## 6. Setup firebase cloud functions
* create onRequest firebase cloud fucntion and deploy it, copy the function url to paste in "**Event subscription** "
## 7. Add Your App to a Channel
* Open your Slack workspace
* Go to the channel where you want to add the bot
* Type /invite @YourBotName (replace with your bot's username)
## 8. Test bot
* Mention bot with text such as "@YourBotName abc" or "@YourBotName test@gmai.com".
* Your bot should respond with whether the user is blocked or not
