Api Rest - Webservice restdb query


Hi, I have a problem. I try to make a call to which I pass some parameters to perform an IN query in the database. Specifically, I would like it to execute a
SELECT FROM table WHERE title IN ("example", "name").

The condition sent, is this.
q = { "title": { "$ in": [ "example", "name"]}}

But the generated condition is (($ in=))

Where am I wrong?