To display your vm templates, as opposed to all available templates in Exoscale using the exo CLI, use the following (you should have already the environment variables set up to be able to use exo):
exo vm template list --mine ????????????????????????????????????????????????????????????????????????????????????????????????????????? ? ID ? NAME ? CREATION DATE ? ZONE ? DISK SIZE ? ????????????????????????????????????????????????????????????????????????????????????????????????????????? ? a58f0180-689d-4663-aa53-91111111111 ? my-ubuntu ? 2020-08-12T13:44:01+0000 ? ch-dk-2 ? 50 GiB ? ?????????????????????????????????????????????????????????????????????????????????????????????????????????