Priority

Hello guys, my question is i have rb2011uias-2hnd-in mikrotik router. i use this router to share internet access using hotspot for authenticated users. everything is going great. but i want to give priority to
apps like whatsup,facebook,viber,imo,facebook messenger…etc than other traffic.
i hope you guys get my idea. thank you in advance for you help

Mangle rules and queues, using L7 Regex. But be careful, L7 rules will tax the CPU and could cause you resource issues down the line.

thank you for your for your reply.
since i am new to mikrotik can you give me an example or point me to one, for giving priority to facebook or whatsapp… using mangle rules or layer 7.
thank you.

hello, can anybody help me how to give priority to facebook using mangle rules..?