Slack add emojis signal new notifications or invites with clarity. Hit 🔔➕ when announcing fresh alerts or updates, and 📩➕ fits well in onboarding messages or invite confirmations. Use 👥➕📅 to highlight new meeting invites, or 💬➕📲 when adding someone to a chat thread. These combos work well in quick Slack updates, team announcements, or casual reminders without overwhelming the channel.