Can't set parameter for Pageflow

Wappler Version : 6.3.3
Operating System : Windows 11 x64
Server Model: NodeJS
Database Type: PostgreSQL
Hosting Type: Docker

I have a Page Flow which has a parameter.
I have a button to call this Page Flow.
When I’m trying to run this Page Flow - there is no parameter options.

Full page code:

<script is="dmx-flow" id="flow1" type="text/dmx-flow">{
  meta: {
    $param: [
      {type: "text", name: "test"}
    ]
  },
  exec: {}
}</script>
<div class="container">
    <button id="btn1" class="btn" dmx-on:click="">Button</button>
</div>