Slack has two connectors. Slack (Bot) acts as an installed app. Slack (User) acts as the connected person. Connectors require a paid plan.
They are independent: connecting one does not connect the other, and you can have both.
Which one to use
Use Slack (Bot) for shared work where messages should come from an app. It can list public channels, post messages, and read recent channel history.
Use Slack (User) when messages should come from a person or the work needs channels available to that person. It can list joined channels, post messages, and look up user details. It cannot read channel history.
Authorize a Slack connector
Workspace owners and admins can connect Slack.
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Open Slack settings
Go to Settings → Connectors and select Slack (Bot) or Slack (User).
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Set who in the workspace can use it
Choose Everyone in this workspace or select individual members.
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Connect Slack
Select Connect and approve access in Slack. Your Slack workspace may require an admin to approve the app.
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For the bot, invite it to the channels it needs
Invite the bot to each channel it needs to use.
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Assign the connector
Open the app or coworker’s Settings → Connectors, enable the Slack connector, and select Save.
Limits worth designing around
The bot lists public channels and must be invited before it can use a channel. Neither connector edits or deletes sent messages. Slack activity does not trigger Appaca through these connectors.
Reconnecting
If a working connector starts failing, disconnect and reconnect it. A Slack (User) connection also stops working when the connected person’s Slack access ends.