EnforcePrecondition(false, (type != ::SPET_TEXT && type != ::SPET_LOCATION) || (text != NULL && !StrEmpty(text->GetEncodedText())));

	EnforcePrecondition(false, type != ::SPET_LOCATION || ::IsValidTile(reference));

	EnforcePrecondition(false, type != ::SPET_GOAL || ScriptGoal::IsValidGoal((ScriptGoal::GoalID)reference));

	EnforcePrecondition(false, type != ::SPET_GOAL || !(p->company == INVALID_COMPANY && Goal::Get(reference)->company != INVALID_COMPANY));

	return ScriptObject::DoCommand(type == ::SPET_LOCATION ? reference : 0,

			type == ::SPET_GOAL ? reference : 0,

			CMD_UPDATE_STORY_PAGE_ELEMENT,

			type == ::SPET_TEXT || type == ::SPET_LOCATION ? text->GetEncodedText() : NULL,

			&ScriptInstance::DoCommandReturnStoryPageElementID);

}