how to load seism load in the command monitor

[gaohouzhi]

Recently i encounter a difficulty in adding seism load to my model .but with trying many times ,i failed
can i be send some examples in this field ?
and i will be very greatful for this help

[gaohouzhi]

Fianlly ,Igot the right method to load a loma Prita seism records to my model.
i am sorry to interupt you .
appologize for my rudeness