diff --git a/src/app/Http/Controllers/API/V4/Admin/UsersController.php b/src/app/Http/Controllers/API/V4/Admin/UsersController.php
--- a/src/app/Http/Controllers/API/V4/Admin/UsersController.php
+++ b/src/app/Http/Controllers/API/V4/Admin/UsersController.php
@@ -90,6 +90,22 @@
                     $result->push($owner);
                 }
             }
+        } elseif (substr($search, 0, 4) == 'cst_') {
+            $wallet = \App\WalletSetting::where('value', $search)->first()->wallet();
+
+            if ($wallet) {
+                if ($owner = $wallet->owner()->withTrashed()->first()) {
+                    $result->push($owner);
+                }
+            }
+        } elseif (substr($search, 0, 3) == 'tr_') {
+            $payment = \App\Payment::find($search);
+
+            if ($payment) {
+                if ($owner = $payment->wallet()->owner()->withTrashed()->first()) {
+                    $result->push($owner);
+                }
+            }
         } elseif (!empty($search)) {
             $wallet = Wallet::find($search);