qt-creator 3.6 variables (for snippets)

[androndo]

At changes from qt-creator 3.6.0: "Made it possible to use Qt Creator variables in snippets". Can I get information about avaliable variables for it? For example I need snippet for GTest:

TEST_F(%{CurrentFile}, $test_name$)
{
    $test_body$
}

But %{CurrentFile} variable does not exist.

[androndo]

I found avaliable variables at special dialog from Qt Creator (projects->build&run->run->"Arguments" field->press right button "Insert Variable".
Now the snippet for gtest looks like:

TEST_F(%{CurrentDocument:FileBaseName}, $test_name$)
{
    $test_body$
}