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

Returns all deal loss reasons available to the user according to the parameters provided

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