id,employee_id,message,channel,sent_at
1,EMP001,🎉 Congratulations! You earned Gold Shield,slack,2026-07-10T10:05:00
2,EMP003,🎉 Congratulations! You earned Silver Shield,slack,2026-07-06T12:10:00
3,EMP001,🏆 You are Employee of the Month — June 2026,whatsapp,2026-07-01T09:00:00
4,EMP002,⚡ New title unlocked: Creative Master,slack,2026-07-05T14:00:00
5,EMP006,🛡️ Retention milestone: 6 months — Continuity Shield,slack,2026-05-03T09:00:00