Is it possible to create a subsystem in schematic and save it in my library?

Xilinx FPGA
1

Hi,
is it possible to create a subsystem in schematic then save it in my library?And how do them?
Thank you.

2

@elektra-- To be able to help you, folks would first need to know what software you’re using, what you’ve tried, and what documentation you’re familiar with from that tool vendor.