node-red-nodes/function/random/locales/en-US/random.html

<script type="text/html" data-help-name="random">
    <p>Generates a random number between a low and high value. Defaults to 1 to 10.</p>
    <p>If set to return an integer it can <i>include</i> both the low and high values.
    <code>min <= n <= max</code></p>
    <p>If set to return a floating point value it will be from the low value, up to, but
    not including the high value. <code>min <= n < max</code></p>
    <p><b>Inputs</b></p>
    <p>You can dynamically pass in the 'From' and 'To' values to the node. <b>NOTE:</b> hard coded values in the node <b>always take precedence.</b>
    <ul>
    <i><b>From</b> [msg.from] Number containing the low value to be used.</i>
    <br>
    <i><b>To</b> [msg.to] Number containing the high value to be used.</i>
    </ul>
</script>