Visual Studio Prism snippets

The Prism template package is great, but I decided to change the "cmd" snippet to this:

<?xml version="1.0" encoding="utf-8"?>
<CodeSnippets
    xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
  <CodeSnippet Format="1.0.0">
    <Header>
      <Title>Prism Async DelegateCommand</Title>
      <Shortcut>cmdasync</Shortcut>
      <Author>Mikkel Jensen</Author>
      <Description>Creates an async DelegateCommand property</Description>
      <SnippetTypes>
        <SnippetType>Expansion</SnippetType>
      </SnippetTypes>
    </Header>
    <Snippet>
      <Declarations>
        <Literal>
          <ID>fieldName</ID>
          <ToolTip>Replace with the field name</ToolTip>
          <Default>fieldName</Default>
        </Literal>
        <Literal>
          <ID>CommandName</ID>
          <ToolTip>Replace with the command name</ToolTip>
          <Default>CommandName</Default>
        </Literal>
      </Declarations>
      <Code Language="csharp">
        <![CDATA[private DelegateCommand $fieldName$Command;
        public DelegateCommand $CommandName$Command
        {
            get
            {
                $fieldName$Command = $fieldName$Command ?? new DelegateCommand(async () => await Do$CommandName$Command()).ObservesCanExecute(() => CanExecute$CommandName$Command);
                return $fieldName$Command;
            }
        }

        private bool _canExecute$CommandName$Command = true;
        public bool CanExecute$CommandName$Command
        {
            get { return _canExecute$CommandName$Command; }
            set { SetProperty(ref _canExecute$CommandName$Command, value); }
        }

        private async Task Do$CommandName$Command()
        {
        }
        $end$]]>
      </Code>
    </Snippet>
  </CodeSnippet>
</CodeSnippets>