diff --git a/specification/security/resource-manager/Microsoft.Security/preview/2019-01-01-preview/automations.json b/specification/security/resource-manager/Microsoft.Security/preview/2019-01-01-preview/automations.json
index e32bc024682e..5e86c36647df 100644
--- a/specification/security/resource-manager/Microsoft.Security/preview/2019-01-01-preview/automations.json
+++ b/specification/security/resource-manager/Microsoft.Security/preview/2019-01-01-preview/automations.json
@@ -376,7 +376,9 @@
           "description": "A valid event source type.",
           "enum": [
             "Assessments",
+            "AssessmentsSnapshot",
             "SubAssessments",
+            "SubAssessmentsSnapshot",
             "Alerts",
             "SecureScores",
             "SecureScoresSnapshot",
@@ -392,9 +394,15 @@
               {
                 "value": "Assessments"
               },
+              {
+                "value": "AssessmentsSnapshot"
+              },
               {
                 "value": "SubAssessments"
               },
+              {
+                "value": "SubAssessmentsSnapshot"
+              },
               {
                 "value": "Alerts"
               },