doc_params.sublime-snippet

<snippet>
    <content><![CDATA[
/// <param name="${1:param}">${2:use}</param>
]]></content>
    <!-- Optional: Set a tabTrigger to define how to trigger the snippet -->
    <tabTrigger>///p</tabTrigger>
    <!-- Optional: Set a scope to limit where the snippet will trigger -->
    <scope>source.cs</scope>
</snippet>