diff --git a/internal/events/proces_events.go b/internal/events/proces_events.go
new file mode 100644
index 0000000..e4ea343
--- /dev/null
+++ b/internal/events/proces_events.go
@@ -0,0 +1,27 @@
+package events
+
+import (
+	"github.com/PiotrFerenc/mash2/internal/types"
+	"github.com/google/uuid"
+	"time"
+)
+
+type Event struct {
+	CreatedAt time.Time
+	StreamId  uuid.UUID
+}
+
+type ProcessEvent interface {
+	ProcessEvent() *Event
+}
+
+type ProcessCreated struct {
+	Process types.Process
+}
+
+func (p ProcessCreated) ProcessEvent() *Event {
+	return &Event{
+		CreatedAt: time.Now(),
+		StreamId:  p.Process.Id,
+	}
+}
diff --git a/internal/repositories/event-store.go b/internal/repositories/event-store.go
new file mode 100644
index 0000000..d313b5c
--- /dev/null
+++ b/internal/repositories/event-store.go
@@ -0,0 +1,7 @@
+package repositories
+
+import "github.com/PiotrFerenc/mash2/internal/events"
+
+type EventStore interface {
+	AddEvent(event events.Event) error
+}