This is a rough and ready list of op_ setting that can be added to subforms. Options are by their nature optional. Do NOT add any options that must be set (these should be given proper names and descibed
This is a switch to allow sorting of XMIed items by some field connected to the item. The default is to sort by the itemval.
This option requires 'op_xmi_sorting' to be set TRUE. This should be populated with the full field array that is desired.