Is there a formula warning for the mobile version of Tongda letter?

The mobile version of Tongda letter has formula warning. According to the public information related to the query, click the conditional early warning or master monitoring wizard in the lower right corner of the communication software, and set an adding formula in the middle point of the conditional early warning, so as to add the required early warning formula and realize time-sharing early warning. The real time-sharing early warning is only available for toll communication, so the mobile version of communication has formula early warning.