Cocacola Company — how to get winning prize

Dear sir,

I have got msg from my mobile and it tells that i have won 500000 British pound sterling..and I dont know how can i get my wining prize..plz tell me what i have to now...and im also call to the customer care whatsup number..and i want to know how can i get my withdrawal and what should i do to get that..

what are the information that u want?

Plz let me know ur idea's

It will be very grateful sir i[censored] convenience about this matter..
Sorry for this is gone to wrong category..
Thanks