update.json

{
  "parameters": {
    "subscriptionId": "00000000-1111-2222-3333-444444444444",
    "resourceGroupName": "workspace-1234",
    "workspaceName": "testworkspace",
    "api-version": "2023-04-01",
    "parameters": {
      "properties": {
        "friendlyName": "New friendly name",
        "description": "new description",
        "publicNetworkAccess": "Disabled"
      }
    }
  },
  "responses": {
    "200": {
      "body": {
        "id": "/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/workspace-1234/providers/Microsoft.MachineLearningServices/workspaces/testworkspace",
        "name": "testworkspace",
        "type": "Microsoft.MachineLearningServices/workspaces",
        "location": "eastus2euap",
        "identity": {
          "principalId": "00000000-1111-2222-3333-444444444444",
          "tenantId": "00000000-1111-2222-3333-444444444444",
          "type": "SystemAssigned"
        },
        "properties": {
          "containerRegistry": "/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/workspace-1234/providers/Microsoft.ContainerRegistry/registries/testRegistry",
          "keyVault": "/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/workspace-1234/providers/Microsoft.KeyVault/vaults/testkv",
          "applicationInsights": "/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/workspace-1234/providers/microsoft.insights/components/testinsights",
          "storageAccount": "/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/accountcrud-1234/providers/Microsoft.Storage/storageAccounts/testStorageAccount",
          "discoveryUrl": "http://example.com",
          "friendlyName": "New friendly name",
          "description": "new description",
          "publicNetworkAccess": "Disabled"
        }
      }
    },
    "202": {}
  }
}