Can a Modbus TCP Slave actively send a frame to a Modbus TCP Master?

[Oniokey]

I looked through various examples and documentation and found that a slave cannot actively send a frame of data to the master, but this can be useful in certain scenarios, such as when an IoT server is acting as a slave, one might want to be able to send down some configurations from the cloud to a device, which would require the slave to be able to actively send data to the master.

So, how can I send data from slave to master?