Zip all files in a directory

I have two files in a directory:

xxxx.txt
xxxx.csv

I need to zip both files up but the command I am doing below is only zipping xxx.txt file????:

cd ../$CUSTOMER_DIRECTORY
zip -q ${name}${FILE_OUT_NAME}.zip ls -lrt *.csv *.txt

can anyone help?

tar -cvvf <FileName.tar> *.csv *.txt

try using the search function:

There are lots of threads covering this topic.

thanks