diff --git a/notification.go b/notification.go
index b19b191..3dd77dd 100644
--- a/notification.go
+++ b/notification.go
@@ -663,6 +663,35 @@ type MadeWarMutual struct {
 	EnemyID int64 `yaml:"enemyID"`
 }
 
+type MercenaryDenAttacked struct {
+	AggressorAllianceName    string  `yaml:"aggressorAllianceName"`
+	AggressorCharacterID     int64   `yaml:"aggressorCharacterID"`
+	AggressorCorporationName string  `yaml:"aggressorCorporationName"`
+	ArmorPercentage          float64 `yaml:"armorPercentage"`
+	HullPercentage           float64 `yaml:"hullPercentage"`
+	ItemID                   int64   `yaml:"itemID"`
+	MercenaryDenShowInfoData []any   `yaml:"mercenaryDenShowInfoData"`
+	PlanetID                 int64   `yaml:"planetID"`
+	PlanetShowInfoData       []any   `yaml:"planetShowInfoData"`
+	ShieldPercentage         float64 `yaml:"shieldPercentage"`
+	SolarSystemID            int64   `yaml:"solarsystemID"`
+	TypeID                   int64   `yaml:"typeID"`
+}
+
+type MercenaryDenReinforced struct {
+	AggressorAllianceName    string `yaml:"aggressorAllianceName"`
+	AggressorCharacterID     int64  `yaml:"aggressorCharacterID"`
+	AggressorCorporationName string `yaml:"aggressorCorporationName"`
+	ItemID                   int64  `yaml:"itemID"`
+	MercenaryDenShowInfoData []any  `yaml:"mercenaryDenShowInfoData"`
+	PlanetID                 int64  `yaml:"planetID"`
+	PlanetShowInfoData       []any  `yaml:"planetShowInfoData"`
+	SolarSystemID            int64  `yaml:"solarsystemID"`
+	TimestampEntered         int64  `yaml:"timestampEntered"`
+	TimestampExited          int64  `yaml:"timestampExited"`
+	TypeID                   int64  `yaml:"typeID"`
+}
+
 type MercOfferedNegotiationMsg struct {
 	AggressorID int64   `yaml:"aggressorID"`
 	DefenderID  int64   `yaml:"defenderID"`
diff --git a/notification_test.go b/notification_test.go
new file mode 100644
index 0000000..3fd9369
--- /dev/null
+++ b/notification_test.go
@@ -0,0 +1,76 @@
+package goesi_test
+
+import (
+	"testing"
+
+	"github.com/fnt-eve/goesi-openapi"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+)
+
+const MercenaryDenAttackedText = `
+aggressorAllianceName: <a href="showinfo:16159//3011">Bad Alliance</a>
+aggressorCharacterID: 1011
+aggressorCorporationName: <a href="showinfo:2//2011">Bad Corp</a>
+armorPercentage: 99.0
+hullPercentage: 100.0
+itemID: &id001 1000000000099
+mercenaryDenShowInfoData:
+- showinfo
+- 85230
+- *id001
+planetID: 40161469
+planetShowInfoData:
+- showinfo
+- 11
+- 40161469
+shieldPercentage: 0.0
+solarsystemID: 30002537
+typeID: 85230
+`
+
+func TestNotification_MercenaryDenAttacked(t *testing.T) {
+	var got goesi.MercenaryDenAttacked
+	err := yaml.Unmarshal([]byte(MercenaryDenAttackedText), &got)
+	require.NoError(t, err)
+	assert.Equal(t, int64(1011), got.AggressorCharacterID)
+	assert.Equal(t, 99.0, got.ArmorPercentage)
+	assert.Equal(t, 100.0, got.HullPercentage)
+	assert.Equal(t, int64(40161469), got.PlanetID)
+	assert.Equal(t, 0.0, got.ShieldPercentage)
+	assert.Equal(t, int64(30002537), got.SolarSystemID)
+	assert.Equal(t, int64(85230), got.TypeID)
+}
+
+const MercenaryDenReinforcedText = `
+aggressorAllianceName: <a href="showinfo:16159//3011">Bad Alliance</a>
+aggressorCharacterID: 1011
+aggressorCorporationName: <a href="showinfo:2//2011">Bad Corp</a>
+itemID: &id001 1000000000099
+mercenaryDenShowInfoData:
+- showinfo
+- 85230
+- *id001
+planetID: 40161469
+planetShowInfoData:
+- showinfo
+- 11
+- 40161469
+solarsystemID: 30002537
+timestampEntered: 134026459143594820
+timestampExited: 134027264983594820
+typeID: 85230
+`
+
+func TestNotification_MercenaryDenReinforced(t *testing.T) {
+	var got goesi.MercenaryDenReinforced
+	err := yaml.Unmarshal([]byte(MercenaryDenReinforcedText), &got)
+	require.NoError(t, err)
+	assert.Equal(t, int64(1011), got.AggressorCharacterID)
+	assert.Equal(t, int64(40161469), got.PlanetID)
+	assert.Equal(t, int64(30002537), got.SolarSystemID)
+	assert.Equal(t, int64(85230), got.TypeID)
+	assert.Equal(t, int64(134026459143594820), got.TimestampEntered)
+	assert.Equal(t, int64(134027264983594820), got.TimestampExited)
+}