diff --git a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/confidentialledger.json b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/confidentialledger.json
index a6d3dd0c4e8f..da5066749b97 100644
--- a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/confidentialledger.json
+++ b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/confidentialledger.json
@@ -512,13 +512,46 @@
         "modelAsString": true
       }
     },
-    "ConfidentialLedgerCertUser": {
+    "LedgerRoleName": {
+      "description": "LedgerRole associated with the Security Principal of Ledger",
+      "type": "string",
+      "enum": [
+        "Reader",
+        "Contributor",
+        "Administrator"
+      ],
+      "x-ms-enum": {
+        "name": "LedgerRoleName",
+        "modelAsString": true
+      }
+    },
+    "CertBasedSecurityPrincipal": {
       "type": "object",
-      "description": "User cert and permissions associated with that user",
+      "description": "Cert based security principal with Ledger RoleName",
       "properties": {
         "cert": {
           "description": "Base64 encoded public key of the user cert (.pem or .cer)",
           "type": "string"
+        },
+        "ledgerRoleName": {
+          "$ref": "#/definitions/LedgerRoleName"
+        }
+      }
+    },
+    "AADBasedSecurityPrincipal": {
+      "type": "object",
+      "description": "AAD based security principal with associated Ledger RoleName",
+      "properties": {
+        "principalId": {
+          "description": "UUID/GUID based Principal Id of the Security Principal",
+          "type": "string"
+        },
+        "tenantId": {
+          "description": "UUID/GUID based Tenant Id of the Security Principal",
+          "type": "string"
+        },
+        "ledgerRoleName": {
+          "$ref": "#/definitions/LedgerRoleName"
         }
       }
     },
@@ -560,11 +593,18 @@
           "readOnly": true,
           "$ref": "#/definitions/ProvisioningState"
         },
-        "certUsers": {
-          "description": "Array of all the cert based users who can access Confidential Ledger",
+        "aadBasedSecurityPrincipals": {
+          "description": "Array of all AAD based Security Principals.",
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/AADBasedSecurityPrincipal"
+          }
+        },
+        "certBasedSecurityPrincipals": {
+          "description": "Array of all cert based Security Principals.",
           "type": "array",
           "items": {
-            "$ref": "#/definitions/ConfidentialLedgerCertUser"
+            "$ref": "#/definitions/CertBasedSecurityPrincipal"
           }
         }
       }
diff --git a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Create.json b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Create.json
index f373953993fc..5b3e2217eeea 100644
--- a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Create.json
+++ b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Create.json
@@ -8,9 +8,17 @@
       "properties": {
         "ledgerStorageAccount": "dummyStorageAccount",
         "ledgerType": "Public",
-        "certUsers": [
+        "aadBasedSecurityPrincipals": [
           {
-            "cert": "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"
+            "principalId": "34621747-6fc8-4771-a2eb-72f31c461f2e",
+            "tenantId": "bce123b9-2b7b-4975-8360-5ca0b9b1cd08",
+            "ledgerRoleName": "Administrator"
+          }
+        ],
+        "certBasedSecurityPrincipals": [
+          {
+            "cert": "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",
+            "ledgerRoleName": "Reader"
           }
         ]
       },
@@ -31,9 +39,17 @@
           "ledgerType": "Public",
           "ledgerInternalNamespace": "dummyNamespace",
           "provisioningState": "Succeeded",
-          "certUsers": [
+          "aadBasedSecurityPrincipals": [
+            {
+              "principalId": "34621747-6fc8-4771-a2eb-72f31c461f2e",
+              "tenantId": "bce123b9-2b7b-4975-8360-5ca0b9b1cd08",
+              "ledgerRoleName": "Administrator"
+            }
+          ],
+          "certBasedSecurityPrincipals": [
             {
-              "cert": "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"
+              "cert": "-----BEGIN CERTIFICATE-----\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\n-----END CERTIFICATE-----",
+              "ledgerRoleName": "Reader"
             }
           ]
         },
diff --git a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Get.json b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Get.json
index b510e83b7742..6ac190a4de41 100644
--- a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Get.json
+++ b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Get.json
@@ -16,9 +16,11 @@
           "ledgerType": "Public",
           "ledgerInternalNamespace": "dummyNamespace",
           "provisioningState": "Succeeded",
-          "certUsers": [
+          "aadBasedSecurityPrincipals": [
             {
-              "cert": "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"
+              "principalId": "34621747-6fc8-4771-a2eb-72f31c461f2e",
+              "tenantId": "bce123b9-2b7b-4975-8360-5ca0b9b1cd08",
+              "ledgerRoleName": "Administrator"
             }
           ]
         },
diff --git a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_List.json b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_List.json
index c1bb3f51e364..14b981e74882 100644
--- a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_List.json
+++ b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_List.json
@@ -17,9 +17,11 @@
               "ledgerType": "Public",
               "ledgerInternalNamespace": "dummyNamespace",
               "provisioningState": "Succeeded",
-              "certUsers": [
+              "aadBasedSecurityPrincipals": [
                 {
-                  "cert": "MIIDBTCCAe2gAwIBAgIQXVogj9BAf49IpuOSIvztNDANBgkqhkiG9w0BAQsFADAtMSswKQYDVQQDEyJhY2NvdW50cy5hY2Nlc3Njb250cm9sLndpbmRvd3MubmV0MB4XDTIwMDMxNzAwMDAwMFoXDTI1MDMxNzAwMDAwMFowLTErMCkGA1UEAxMiYWNjb3VudHMuYWNjZXNzY29udHJvbC53aW5kb3dzLm5ldDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANfLmdz9yIDskpZzrMXiDeVlCs75ZunrzwzBW5lz7UxdBjHu7Q9iT32otlBp++LOwBcKsVjuQ0GUbulX0FLsfLjEeCe58ZtSn//+6VRFSScg7i+WvDwEUWELR+vMPtCGcXBTpILEnYbSMz0No4+Jpkc1lyMIfDP/KSeqojo74xfW4RKtAgv39uwZ5Yz2hZ/IcWOvaQqMXp1lqhXLFIRWbwjLYYUbmwGwYpQ6++Cml0ucQoMkgYT88HpA/fzXQlLgrHamr3eE/lVp26ZWwfGLAvkdNBabQRSrk8k/c6BmY1mYpUFZo+795PI16mAdp1ioEwH8I5osis+/BR5GhPpwiA8CAwEAAaMhMB8wHQYDVR0OBBYEFF8MDGklOGhGNVJvsHHRCaqtzexcMA0GCSqGSIb3DQEBCwUAA4IBAQCKkegw/mdpCVl1lOpgU4G9RT+1gtcPqZK9kpimuDggSJju6KUQlOCi5/lIH5DCzpjFdmG17TjWVBNve5kowmrhLzovY0Ykk7+6hYTBK8dNNSmd4SK7zY++0aDIuOzHP2Cur+kgFC0gez50tPzotLDtMmp40gknXuzltwJfezNSw3gLgljDsGGcDIXK3qLSYh44qSuRGwulcN2EJUZBI9tIxoODpaWHIN8+z2uZvf8JBYFjA3+n9FRQn51X16CTcjq4QRTbNVpgVuQuyaYnEtx0ZnDvguB3RjGSPIXTRBkLl2x7e8/6uAZ6tchw8rhcOtPsFgJuoJokGjvcUSR/6Eqd"
+                  "principalId": "34621747-6fc8-4771-a2eb-72f31c461f2e",
+                  "tenantId": "bce123b9-2b7b-4975-8360-5ca0b9b1cd08",
+                  "ledgerRoleName": "Administrator"
                 }
               ]
             },
diff --git a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_ListBySub.json b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_ListBySub.json
index 9c95b373d346..201f28354c1f 100644
--- a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_ListBySub.json
+++ b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_ListBySub.json
@@ -16,9 +16,10 @@
               "ledgerType": "Public",
               "ledgerInternalNamespace": "dummyNamespace",
               "provisioningState": "Succeeded",
-              "certUsers": [
+              "certBasedSecurityPrincipals": [
                 {
-                  "cert": "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"
+                  "cert": "-----BEGIN CERTIFICATE-----\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\n-----END CERTIFICATE-----",
+                  "ledgerRoleName": "Reader"
                 }
               ]
             },
diff --git a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Update.json b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Update.json
index 01cd38edf789..a553b9d4954a 100644
--- a/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Update.json
+++ b/specification/confidentialledger/resource-manager/Microsoft.ConfidentialLedger/preview/2020-12-01-preview/examples/ConfidentialLedger_Update.json
@@ -6,12 +6,7 @@
     "ledgerName": "DummyLedgerName",
     "confidentialLedger": {
       "properties": {
-        "ledgerStorageAccount": "dummyStorageAccount",
-        "certUsers": [
-          {
-            "cert": "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"
-          }
-        ]
+        "ledgerStorageAccount": "dummyStorageAccount"
       },
       "tags": {
         "additionalProps1": "additional properties",
@@ -30,9 +25,11 @@
           "ledgerType": "Public",
           "ledgerInternalNamespace": "dummyNamespace",
           "provisioningState": "Succeeded",
-          "certUsers": [
+          "aadBasedSecurityPrincipals": [
             {
-              "cert": "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"
+              "principalId": "34621747-6fc8-4771-a2eb-72f31c461f2e",
+              "tenantId": "bce123b9-2b7b-4975-8360-5ca0b9b1cd08",
+              "ledgerRoleName": "Administrator"
             }
           ]
         },