Fired from the method CIBlockSection::Update
before an information block section is modified. Can be used to decline
modifying a section or to redefine fields.
Parameters
Parameter
Description
arParams
An array of
fields of the information block
section to be updated.
Note The parameter of this handler is a reference to
the original variable. Hence, altering the value(s) from within the handler
causes changing values of the source variable passed to the handler.
Return Values
To cancel the information block section update and terminate the method CIBlockSection::Update,
throw an exception by calling $APPLICATION->ThrowException()
and return false.