AjaxHiddenBox

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When a ProcessForm is submitted with AjaxMgr.submitProcessForm() function, only the process fields that exists in the process blocks that are specified  in requiredBlocks property are included into the request. All other input fields outside the specified process blocks are excluded from the request.

AjaxHiddenBox element is an exception to this rule. The name of an AjaxHiddenBox element must be __ajax_hidden and the request parameter name is specified with mo:name attribute.

 

  <input name="__ajax_hidden" type="hidden" mo:name="PRODUCT_ID" value=""/>