src/Ovh/Cdn/Cdn.php
public function getDomainCacheRuleTaskProperties($domain, $ruleId, $taskId)
    {
        return json_decode(self::getClient()->getDomainCacheRuleTaskProperties($this->sn, $domain, $ruleId, $taskId));
    }
public function getDomainCacheRuleTaskProperties($domain, $ruleId, $taskId)
    {
        return json_decode(self::getClient()->getDomainCacheRuleTaskProperties($this->sn, $domain, $ruleId, $taskId));
    }
Return properties of task $taskId associated with rule $ruleId of domain $domain

@param $domain
@param $ruleId
@param $taskId
@return mixed