get custom field by slug in models

app/Models/Estimate.php

@@ -510,4 +510,9 @@ class Estimate extends Model implements HasMedia
             '{ESTIMATE_LINK}' => url('/customer/estimates/pdf/'.$this->unique_hash),
         ];
     }
+
+    public function getValues($slug)
+    {
+        return $this->getCustomFieldValues($slug);
+    }
 }

app/Models/Expense.php

@@ -219,4 +219,9 @@ class Expense extends Model implements HasMedia
 
         return true;
     }
+
+    public function getValues($slug)
+    {
+        return $this->getCustomFieldValues($slug);
+    }
 }

app/Models/Payment.php

@@ -446,4 +446,9 @@ class Payment extends Model implements HasMedia
             '{PAYMENT_LINK}' => $this->paymentPdfUrl,
         ];
     }
+
+    public function getValues($slug)
+    {
+        return $this->getCustomFieldValues($slug);
+    }
 }

app/Models/User.php

@@ -422,4 +422,9 @@ class User extends Authenticatable implements HasMedia
 
         return $companySettings;
     }
+
+    public function getValues($slug)
+    {
+        return $this->getCustomFieldValues($slug);
+    }
 }