diff --git a/schemas/annotated-v1.0-Prod.csdl b/schemas/annotated-v1.0-Prod.csdl
index 10d728664..7b0479936 100644
--- a/schemas/annotated-v1.0-Prod.csdl
+++ b/schemas/annotated-v1.0-Prod.csdl
@@ -43432,6 +43432,7 @@
         <Property Name="classification" Type="microsoft.graph.security.alertClassification" />
         <Property Name="comments" Type="Collection(microsoft.graph.security.alertComment)" />
         <Property Name="createdDateTime" Type="Edm.DateTimeOffset" />
+        <Property Name="customDetails" Type="microsoft.graph.security.dictionary" />
         <Property Name="description" Type="Edm.String" />
         <Property Name="detectionSource" Type="microsoft.graph.security.detectionSource" />
         <Property Name="detectorId" Type="Edm.String" />
diff --git a/schemas/v1.0-Fairfax.csdl b/schemas/v1.0-Fairfax.csdl
index 3fd9c43cf..4658c4b5f 100644
--- a/schemas/v1.0-Fairfax.csdl
+++ b/schemas/v1.0-Fairfax.csdl
@@ -36407,6 +36407,7 @@
         <Property Name="classification" Type="microsoft.graph.security.alertClassification" />
         <Property Name="comments" Type="Collection(microsoft.graph.security.alertComment)" />
         <Property Name="createdDateTime" Type="Edm.DateTimeOffset" />
+        <Property Name="customDetails" Type="microsoft.graph.security.dictionary" />
         <Property Name="description" Type="Edm.String" />
         <Property Name="detectionSource" Type="microsoft.graph.security.detectionSource" />
         <Property Name="detectorId" Type="Edm.String" />
diff --git a/schemas/v1.0-Prod.csdl b/schemas/v1.0-Prod.csdl
index 10d728664..7b0479936 100644
--- a/schemas/v1.0-Prod.csdl
+++ b/schemas/v1.0-Prod.csdl
@@ -43432,6 +43432,7 @@
         <Property Name="classification" Type="microsoft.graph.security.alertClassification" />
         <Property Name="comments" Type="Collection(microsoft.graph.security.alertComment)" />
         <Property Name="createdDateTime" Type="Edm.DateTimeOffset" />
+        <Property Name="customDetails" Type="microsoft.graph.security.dictionary" />
         <Property Name="description" Type="Edm.String" />
         <Property Name="detectionSource" Type="microsoft.graph.security.detectionSource" />
         <Property Name="detectorId" Type="Edm.String" />
diff --git a/schemas/v1.0-USNat.csdl b/schemas/v1.0-USNat.csdl
index c68cbfdcf..80c641e5c 100644
--- a/schemas/v1.0-USNat.csdl
+++ b/schemas/v1.0-USNat.csdl
@@ -13576,6 +13576,7 @@
         <Property Name="classification" Type="microsoft.graph.security.alertClassification" />
         <Property Name="comments" Type="Collection(microsoft.graph.security.alertComment)" />
         <Property Name="createdDateTime" Type="Edm.DateTimeOffset" />
+        <Property Name="customDetails" Type="microsoft.graph.security.dictionary" />
         <Property Name="description" Type="Edm.String" />
         <Property Name="detectionSource" Type="microsoft.graph.security.detectionSource" />
         <Property Name="detectorId" Type="Edm.String" />
diff --git a/schemas/v1.0-USSec.csdl b/schemas/v1.0-USSec.csdl
index 3d36e0cd6..8c6f13ef8 100644
--- a/schemas/v1.0-USSec.csdl
+++ b/schemas/v1.0-USSec.csdl
@@ -13136,6 +13136,7 @@
         <Property Name="classification" Type="microsoft.graph.security.alertClassification" />
         <Property Name="comments" Type="Collection(microsoft.graph.security.alertComment)" />
         <Property Name="createdDateTime" Type="Edm.DateTimeOffset" />
+        <Property Name="customDetails" Type="microsoft.graph.security.dictionary" />
         <Property Name="description" Type="Edm.String" />
         <Property Name="detectionSource" Type="microsoft.graph.security.detectionSource" />
         <Property Name="detectorId" Type="Edm.String" />