Function gstd::msg::send_bytes_delayed_from_reservation

pub fn send_bytes_delayed_from_reservation<T: AsRef<[u8]>>(
    id: ReservationId,
    program: ActorId,
    payload: T,
    value: u128,
    delay: u32
) -> Result<MessageId>

Same as send_bytes_from_reservation, but sends the message after the delay expressed in block count.