In the runtime application, sets or resets, for the current user, an extension property defined for the User context. Such a property is defined in USoft Definer. Its value is set in USoft Authorizer.
This method updates the value in the Authorizer table immediately, using a separate transaction. If this is successful, the value as held internally is also updated.
Returns 'Y' if the operation was successful, otherwise 'N'.
The required property-name is a string that is the name of the extension property. The required property-value is a string that is the new value.