Slack App Permissions
Click the Permissions button and set up the following permissions:
Bot Token Scopes:
channels:read
channels:history
chat:write
commands
User Token Scopes:
users:read
users:read.email
The permissions should look like this:
Click the Permissions button and set up the following permissions:
Bot Token Scopes:
channels:read
channels:history
chat:write
commands
User Token Scopes:
users:read
users:read.email
The permissions should look like this: