setting default content with links+example
Suppose you're building a contact database for Organizations, and you know that most (but not all) of the organizations will be in Oregon. You could use a link to enter "OR" in any new Organization card's "state" field. Something like:
In such cases, when you always want the same default value (Oregon), you could just as easily use formatting to set the default. But links are especially valuable when the default value depends on context. You can create these kind of contextual defaults using inclusions and contextual names. For example, suppose you want anyone to be able to create a Meeting card and have it automatically make that person the convener. Here's how that link might look:
[[/new/Meeting?_convener={{_user|name}}|add a Meeting]]
Suppose you then want a link on your Meeting cards that lets you create an Action Item card that automatically fills out what meeting it was created from. Something like this:
[[/new/Action_Item?_meeting={{_self|name}}|add an Action Item]]