Before Execute Hook

This hook is executed before each fetch (even if nothing will be fetched!).

Before Execute List Show
Input for top-level component i.filter i.filter,

Public identifiers:

i.orderNumber, i.orderNumber.isSet

Input for child component Internal identifiers from parent component:

i.orno1, i.orno2, orno1.isSet, i.orno2.isSet

Output o.cancel
Note:  for the List/Show methods the 'isSet' input parameters are not really needed, because the input identifiers will always be set.

In case of a subcomponent, whether lines for a new order must be retrieved can be detected through the input arguments for the order number. So no specific input parameter exists to indicate this.