...
 nikitin\YClientsSDK\YClientsSDKServiceProvider::class
...

'accounts' => [
     'default' => [
     // Login and password are required to receive USER TOKEN. 
     // If you have them you do not have to fill in these fields
     'login' => '',
     'password' => '',
      // Used in all requests and is mandatory
     'bearer_token' => '',
     'user_token' => ''
   ],
]

    use nikitin\YClientsSDK\Facades\YClientsSDK;
    ...
    YClientsSDK::authorization()->get() // return USER TOKEN

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$clients = YClientsSDK::clients()->setCompany($companyId)->get();

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$companies = YClientsSDK::companies()->setSalonId($salonId)->get();

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$goods = YClientsSDK::goods()->setCompany($companyId)->get();

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$records = YClientsSDK::records()->setCompany($companyId)->setChangedAfter(Carbon::today())->get();

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$salons = YClientsSDK::groups()->get();

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$serviceCategory = YClientsSDK::serviceCategory()->setCompany($companyId)->get();

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$staff = YClientsSDK::staff()->setCompany($companyId)->get();

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$visits = YClientsSDK::visits()->setVisitId($visitId)->get();

use nikitin\YClientsSDK\Facades\YClientsSDK;
...
$visitDetails = YClientsSDK::visitDetails()->setVisitId($visitId)->setSalonId($salonId)->setRecordId($recordId)->get();