diff --git a/specification/synapse/data-plane/Microsoft.Synapse/preview/2019-06-01-preview/artifacts.json b/specification/synapse/data-plane/Microsoft.Synapse/preview/2019-06-01-preview/artifacts.json
index df96c4e9e6fe..0dfc0e51ebbd 100644
--- a/specification/synapse/data-plane/Microsoft.Synapse/preview/2019-06-01-preview/artifacts.json
+++ b/specification/synapse/data-plane/Microsoft.Synapse/preview/2019-06-01-preview/artifacts.json
@@ -2716,7 +2716,8 @@
         }
       },
       "required": [
-        "sessionId"
+        "sessionId",
+        "commandPayload"
       ]
     },
     "DataFlowDebugQueryResponse": {
diff --git a/specification/synapse/data-plane/Microsoft.Synapse/preview/2020-02-01-preview/roleAssignments.json b/specification/synapse/data-plane/Microsoft.Synapse/preview/2020-02-01-preview/roleAssignments.json
index 634133c68370..5d2a04daacd5 100644
--- a/specification/synapse/data-plane/Microsoft.Synapse/preview/2020-02-01-preview/roleAssignments.json
+++ b/specification/synapse/data-plane/Microsoft.Synapse/preview/2020-02-01-preview/roleAssignments.json
@@ -22,7 +22,7 @@
         "tags": [
           "RoleAssignments"
         ],
-        "operationId": "AccessControl_CreateRoleAssignment",
+        "operationId": "CreateRoleAssignment",
         "description": "Create role assignment.",
         "x-ms-examples": {
           "Create role assignment": {
@@ -68,7 +68,7 @@
         "tags": [
           "RoleAssignments"
         ],
-        "operationId": "AccessControl_GetRoleAssignments",
+        "operationId": "GetRoleAssignments",
         "description": "List role assignments.",
         "x-ms-examples": {
           "Get role assignment information": {
@@ -120,7 +120,7 @@
         "tags": [
           "RoleAssignments"
         ],
-        "operationId": "AccessControl_GetRoleAssignmentById",
+        "operationId": "GetRoleAssignmentById",
         "description": "Get role assignment by role assignment Id.",
         "x-ms-examples": {
           "Get role assignment information": {
@@ -158,7 +158,7 @@
         "tags": [
           "RoleAssignments"
         ],
-        "operationId": "AccessControl_DeleteRoleAssignmentById",
+        "operationId": "DeleteRoleAssignmentById",
         "description": "Delete role assignment by role assignment Id.",
         "x-ms-examples": {
           "Delete role assignment": {
@@ -198,7 +198,7 @@
         "tags": [
           "RoleAssignments"
         ],
-        "operationId": "AccessControl_GetCallerRoleAssignments",
+        "operationId": "GetCallerRoleAssignments",
         "description": "List role assignments of the caller.",
         "x-ms-examples": {
           "Get caller role assignments": {
diff --git a/specification/synapse/data-plane/Microsoft.Synapse/preview/2020-02-01-preview/roles.json b/specification/synapse/data-plane/Microsoft.Synapse/preview/2020-02-01-preview/roles.json
index f17f83f41ade..8751013f2784 100644
--- a/specification/synapse/data-plane/Microsoft.Synapse/preview/2020-02-01-preview/roles.json
+++ b/specification/synapse/data-plane/Microsoft.Synapse/preview/2020-02-01-preview/roles.json
@@ -22,7 +22,7 @@
         "tags": [
           "SynapseRoles"
         ],
-        "operationId": "AccessControl_GetRoleDefinitions",
+        "operationId": "GetRoleDefinitions",
         "description": "List roles.",
         "x-ms-examples": {
           "Get access control information": {
@@ -62,7 +62,7 @@
         "tags": [
           "SynapseRoles"
         ],
-        "operationId": "AccessControl_GetRoleDefinitionById",
+        "operationId": "GetRoleDefinitionById",
         "description": "Get role by role Id.",
         "x-ms-examples": {
           "Get access control information": {