Initializing help system before first use

# vdl-header

This VDL tag is used as a container for any vdl elements that are not part of the page layout or VDL component configuration. Use this at the top of your vdl-page to place things like vdl-var and vdl-action-group elements

since 4.8

### Example

    <!-- used to contain vdl-action-group -->
    <vdl-header>
      <vdl-action-group name="loadModel">
        <vdl-action-execute mode="LOAD"></vdl-action-execute>
      </vdl-action-group>
    </vdl-header>

Parent Topic VDL 5 Reference

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