If you want to transfer your domain, you need a so-called EPP key. This is a code or a kind of password that you need to be able to transfer your domain. This code is sometimes also called a transfer token.
You can request the transfer code from us via My Cloud86 > Domain Names > (click on the 3 dots behind the relevant domain name), then click on My domains and choose Manage domain for the relevant domain name, after which you have the option to request the EPP code.