diff --git a/schemas/2021-04-01/Microsoft.AlertsManagement.json b/schemas/2021-04-01/Microsoft.AlertsManagement.json
new file mode 100644
index 0000000000..9db2d215aa
--- /dev/null
+++ b/schemas/2021-04-01/Microsoft.AlertsManagement.json
@@ -0,0 +1,243 @@
+{
+  "id": "https://schema.management.azure.com/schemas/2021-04-01/Microsoft.AlertsManagement.json#",
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "microsoft.alertsManagement",
+  "description": "microsoft alertsManagement Resource Types",
+  "resourceDefinitions": {
+    "smartDetectorAlertRules": {
+      "type": "object",
+      "properties": {
+        "apiVersion": {
+          "type": "string",
+          "enum": [
+            "2021-04-01"
+          ]
+        },
+        "location": {
+          "type": "string",
+          "default": "global",
+          "description": "The resource location."
+        },
+        "name": {
+          "type": "string",
+          "description": "The name of the alert rule."
+        },
+        "properties": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/AlertRuleProperties"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The alert rule properties."
+        },
+        "tags": {
+          "oneOf": [
+            {
+              "type": "object",
+              "additionalProperties": {
+                "type": "string"
+              },
+              "properties": {}
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The resource tags."
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "microsoft.alertsManagement/smartDetectorAlertRules"
+          ]
+        }
+      },
+      "required": [
+        "apiVersion",
+        "name",
+        "properties",
+        "type"
+      ],
+      "description": "microsoft.alertsManagement/smartDetectorAlertRules"
+    }
+  },
+  "definitions": {
+    "ActionGroupsInformation": {
+      "type": "object",
+      "properties": {
+        "customEmailSubject": {
+          "type": "string",
+          "description": "An optional custom email subject to use in email notifications."
+        },
+        "customWebhookPayload": {
+          "type": "string",
+          "description": "An optional custom web-hook payload to use in web-hook notifications."
+        },
+        "groupIds": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The Action Group resource IDs."
+        }
+      },
+      "required": [
+        "groupIds"
+      ],
+      "description": "The Action Groups information, used by the alert rule."
+    },
+    "AlertRuleProperties": {
+      "type": "object",
+      "properties": {
+        "actionGroups": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/ActionGroupsInformation"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The Action Groups information, used by the alert rule."
+        },
+        "description": {
+          "type": "string",
+          "description": "The alert rule description."
+        },
+        "detector": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/Detector"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The detector information. By default this is not populated, unless it's specified in expandDetector"
+        },
+        "frequency": {
+          "type": "string",
+          "format": "duration",
+          "description": "The alert rule frequency in ISO8601 format. The time granularity must be in minutes and minimum value is 1 minute, depending on the detector."
+        },
+        "scope": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The alert rule resources scope."
+        },
+        "severity": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "Sev0",
+                "Sev1",
+                "Sev2",
+                "Sev3",
+                "Sev4"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The alert rule severity."
+        },
+        "state": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "Enabled",
+                "Disabled"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The alert rule state."
+        },
+        "throttling": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/ThrottlingInformation"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Optional throttling information for the alert rule."
+        }
+      },
+      "required": [
+        "actionGroups",
+        "detector",
+        "frequency",
+        "scope",
+        "severity",
+        "state"
+      ],
+      "description": "The alert rule properties."
+    },
+    "Detector": {
+      "type": "object",
+      "properties": {
+        "id": {
+          "type": "string",
+          "description": "The detector id."
+        },
+        "parameters": {
+          "oneOf": [
+            {
+              "type": "object",
+              "additionalProperties": {
+                "type": "object",
+                "properties": {}
+              },
+              "properties": {}
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The detector's parameters.'"
+        }
+      },
+      "required": [
+        "id"
+      ],
+      "description": "The detector information. By default this is not populated, unless it's specified in expandDetector"
+    },
+    "ThrottlingInformation": {
+      "type": "object",
+      "properties": {
+        "duration": {
+          "type": "string",
+          "format": "duration",
+          "description": "The required duration (in ISO8601 format) to wait before notifying on the alert rule again. The time granularity must be in minutes and minimum value is 0 minutes"
+        }
+      },
+      "description": "Optional throttling information for the alert rule."
+    }
+  }
+}
\ No newline at end of file
diff --git a/schemas/common/autogeneratedResources.json b/schemas/common/autogeneratedResources.json
index a84d984326..165fbe7707 100644
--- a/schemas/common/autogeneratedResources.json
+++ b/schemas/common/autogeneratedResources.json
@@ -55,6 +55,9 @@
         {
           "$ref": "https://schema.management.azure.com/schemas/2020-08-04-preview/Microsoft.AlertsManagement.json#/resourceDefinitions/resourceHealthAlertRules"
         },
+        {
+          "$ref": "https://schema.management.azure.com/schemas/2021-04-01/Microsoft.AlertsManagement.json#/resourceDefinitions/smartDetectorAlertRules"
+        },
         {
           "$ref": "https://schema.management.azure.com/schemas/2016-05-16/Microsoft.AnalysisServices.json#/resourceDefinitions/servers"
         },