cron-node.html

<script type="text/javascript">
    RED.nodes.registerType('cron',{
        category: "input",
        icon: "timer.png",
        color: "#a6bbcf",
        outputs: 1,
        defaults: {
            name: { value: "" },
            crontab: { value: "* * * * * *", required: true }
        }, 
        label: function() {
            return this.name || "CRON"
        }
    });
</script>

<script type="text/x-red" data-template-name="cron">
    <div class="form-row">
        <label for="node-input-name"><i class="icon-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
	<div class="form-row">
        <label for="node-input-topic"><i class="icon-tasks"></i> Topic</label>
        <input type="text" id="node-input-topic" placeholder="Topic">
    </div>
	<div class="form-row">
        <label for="node-input-crontab"><i class="fa fa-clock-o"></i> CRON Expression</label>
        <input type="text" id="node-input-crontab" placeholder="CRON">
    </div>
</script>

<script type="text/x-red" data-help-name="cron">
   <p>Start flow by CRON expression</p>
   <b>msg.payload</b>. msg.payload is timestamp from execution.</p>
</script>