def list(self, **params):
_, _, leads = self.http_client.get("<STR_LIT>", params=params)<EOL>return leads<EOL>
Retrieve all leads

Returns all leads available to the user, according to the parameters provided

:calls: ``get /leads``
:param dict params: (optional) Search options.
:return: List of dictionaries that support attriubte-style access, which represent collection of Leads.
:rtype: list