Explore SMS message filters

7:02 - Message filter extension example

func handle(_ capabilitiesRequest: ILMessageFilterCapabilitiesQueryRequest, context: ILMessageFilterExtensionContext, completion: @escaping (ILMessageFilterCapabilitiesQueryResponse) -> Void) {
    let response = ILMessageFilterCapabilitiesQueryResponse()
    // choose up to five sub-categories supported by the filter
    response.transactionalSubActions = [.transactionalFinance,
                                        .transactionalOrders,
                                        .transactionalHealth]
    response.promotionalSubActions   = [.promotionalCoupons,
                                        .promotionalOffers]
    completion(response)
}

8:16 - Return categories for incoming messages

func handle(_ queryRequest: ILMessageFilterQueryRequest, context: ILMessageFilterExtensionContext, completion: @escaping (ILMessageFilterQueryResponse) -> Void) {
    guard let message = queryRequest.messageBody else { return }
    let response = ILMessageFilterQueryResponse()
    switch(message) {
    case _ where message.contains("debited"):
        response.filterAction = .transaction
        response.filterSubAction = .transactionalFinance
        break
    case _ where message.contains("coupon"):
        response.filterAction = .promotion
        response.filterSubAction = .promotionalCoupons
        break
     // update other cases
    }
    completion(response)
}