diff --git a/swagger/apidoc-user.json b/swagger/apidoc-user.json
index b183b9e..d21c5a0 100644
--- a/swagger/apidoc-user.json
+++ b/swagger/apidoc-user.json
@@ -1117,6 +1117,9 @@
                 "summary": "view all article",
                 "description": "view all articles with pagination",
                 "parameters": [
+                    {
+                        "$ref": "#/components/parameters/FilterArticle"
+                    },
                     {
                         "$ref": "#/components/parameters/search"
                     },
@@ -2731,6 +2734,25 @@
                         "ditolak"
                     ]
                 }
+            },"FilterArticle": {
+                "name": "filter",
+                "in": "query",
+                "description": "filter category",
+                "schema": {
+                    "type": "string",
+                    "enum": [
+                        "plastik",
+                        "kaca",
+                        "logam",
+                        "organik",
+                        "kertas",
+                        "kaleng",
+                        "minyak",
+                        "elektronik",
+                        "tekstil",
+                        "baterai"
+                    ]
+                }
             },
             "idTransaction": {
                 "name": "idTransaction",