please help

[Uaq-Boost]

alsalaam 3aleakum

can u help me please
i am building a php website about stocks Traders and brokers

i want the system to know when the user login into the website if he is a trader or abroker and automatically sends him to the trader page or the broker page.

also i need the system to sends automatic emails to the trader if there was a change in the shares

please help ... i will be very grateful

thaaaanxxx