Binding server connect variable inside Javascript

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You can use dmx.parse to parse expressions inside javascript, so adding dmx.parse('serverconnectheader.data.querysigheader[0].sig') would give you the signature json. But you have to wait until the data is loaded before accessing it, otherwise you just get an undefined.

The code I gave before also works with server connect, just hook in the done event from server connect and execute the function to generate the signature.

<dmx-serverconnect id="serverconnectheader" url="<<action_url>>" ondone="regenerateSig()"></dmx-serverconnect>
<script>
function regenerateSig() {
  $('.sigPad').signaturePad({displayOnly:true}).regenerate(dmx.parse('serverconnectheader.data.querysigheader[0].sig'));
}
</script>
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