From a2e1eb8dd652f235b686bab02c5ce4e9b1e44b76 Mon Sep 17 00:00:00 2001
From: Alex Lushpai <lushpai@gmail.com>
Date: Wed, 2 Jun 2021 17:05:08 +0300
Subject: [PATCH] fix #101

---
 lib/RetailCrm/Methods/V5/Costs.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/RetailCrm/Methods/V5/Costs.php b/lib/RetailCrm/Methods/V5/Costs.php
index d1278dd..9f0f109 100644
--- a/lib/RetailCrm/Methods/V5/Costs.php
+++ b/lib/RetailCrm/Methods/V5/Costs.php
@@ -201,7 +201,7 @@ trait Costs
      */
     public function costsDeleteById($id)
     {
-        if (!empty($id)) {
+        if (empty($id)) {
             throw new \InvalidArgumentException(
                 'Parameter `id` must contains a data'
             );