createRestorePointCollection.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "VMName": {
      "type": "string",
      "defaultValue": "<VMName>"
    },
  "VMId": {
    "defaultValue": "subscriptions/<SubscriptionID>/resourceGroups/<ResourceGroupName>/providers/Microsoft.Compute/virtualMachines/<VMName>",
    "type": "String"
  }
  }, 
  "resources": [
  {
    "type": "Microsoft.Compute/restorePointCollections",
    "name": "[concat(parameters('VMName'),'_rpc')]",
    "location": "[resourceGroup().location]",
    "apiVersion": "2020-06-01",
    "properties": { 
    "source": { 
      "id": "[parameters('VMId')]"
    } 
  } 
  } 
  
  ]
}