'Adds (or updates) a policy document associated with the specified role.
:type role_name: string
:param role_name: Name of the role to associate the policy with.
:type policy_name: string
:param policy_name: Name of the policy document.
:type policy_document: string
:param policy_document: The policy document.'

def put_role_policy(self, role_name, policy_name, policy_document):

    return self.get_response('PutRolePolicy', {'RoleName': role_name, 'PolicyName': policy_name, 'PolicyDocument': policy_document})
