To create your own variables open your Template > drag&drop a Content Block > type a custom name of the variable in square brackets (e.g. [Client.Address]).

You can fill in the value of your custom variables either on the template level or on the document level. To do this on the document level, first, select Use this template button at the top right:

Want to learn more about working with fields? Come check out our Creating & Using Variables course on the PandaDoc Learning Academy!