Added the default_value parameter to return it when unmatched.

Packs/MapPattern/ReleaseNotes/1_0_6.md

@@ -0,0 +1,6 @@
+
+#### Scripts
+- **MapPattern**
+- Fixed an issue where it returns successfully when an error occurred.
+- Added the `default_value` parameter to return it when unmatched.
+- Updated the Docker image to: *demisto/python3:3.10.5.31928*.

Packs/MapPattern/Scripts/MapPattern/MapPattern.py

@@ -400,6 +400,7 @@ def main():
         context = args.get('context')
         fields_comp_mode = argToBoolean(args.get('compare_fields') or 'false')
         wildcards = argToList(args.get('wildcards'))
+        default_value = args.get('default_value')
         regex_flags = re.IGNORECASE if argToBoolean(args.get('caseless') or 'true') else 0
         for flag in argToList(args.get('flags', '')):
             if flag in ('dotall', 's'):
@@ -424,22 +425,27 @@ def main():
                         fields_comp_mode=fields_comp_mode,
                         wildcards=wildcards,
                         regex_flags=regex_flags)
+
+        matched = False
         if fields_comp_mode:
             if isinstance(value, dict):
-                value, _ = tr.translate_fields(
+                value, matched = tr.translate_fields(
                     obj_value=value,
                     field_mapping=mappings,
                     priority=priority,
                     algorithm=algorithm)
         else:
             if not isinstance(value, (dict, list)):
-                value, _ = tr.translate(
+                value, matched = tr.translate(
                     source=value,
                     pattern_mapping=mappings,
                     priority=priority,
                     algorithm=algorithm)
-    except Exception as err:
-        return_error(err)
+        if default_value and not matched:
+            value = default_value
+    except Exception:
+        # Don't return an error by return_error() as this is transformer.
+        raise
 
     return_results(value)
 

Packs/MapPattern/Scripts/MapPattern/MapPattern.yml

@@ -76,10 +76,12 @@ args:
 - name: wildcards
   description: The list of the special patterns which match to any values regardless
     of algorithm.
+- name: default_value
+  description: The value to return when unmatched.
 scripttarget: 0
 subtype: python3
 runonce: false
-dockerimage: demisto/python3:3.9.8.24399
+dockerimage: demisto/python3:3.10.5.31928
 runas: DBotWeakRole
 fromversion: 6.0.0
 tests:

Packs/MapPattern/Scripts/MapPattern/MapPattern_test.py

@@ -78,6 +78,7 @@ def test_main(mocker):
                 'compare_fields': t['compare_fields'],
                 'wildcards': t['wildcards'],
                 'mappings': t['mappings'],
+                'default_value': t.get('default_value'),
             })
             mocker.patch.object(demisto, 'results')
             main()

Packs/MapPattern/Scripts/MapPattern/README.md

@@ -41,6 +41,7 @@ When unmatched or the input value is structured (dict or list), it will simply r
 | flags | The comma separated flags for pattern matching in regex. `dotall` (s), `multiline` (m), `ignorecase` (i) and `unicode` (u) are supported. This will apply to all the algorithms. |
 | compare_fields | Set to true if you want pattern matching for each field, otherwise false. |
 | wildcards | The list of the special patterns which match to any values regardless of algorithm. |
+| default_value | The value to return when unmatched. |
 
 ## Outputs
 ---

Packs/MapPattern/Scripts/MapPattern/test_data/test-1.json

@@ -26,6 +26,34 @@
       }
     ]
   },
+  {
+    "algorithm": "regmatch",
+    "caseless": "true",
+    "priority": "first_match",
+    "context": null,
+    "flags": "",
+    "compare_fields": "",
+    "wildcards": "",
+    "default_value": "default",
+    "mappings": {
+      "Unknown": 0,
+      "Informational|Info": 0.5,
+      "Low": 1,
+      "Medium": 2,
+      "High": 3,
+      "Critical": 4
+    },
+    "patterns": [
+      {
+        "value": "High",
+        "result": 3
+      },
+      {
+        "value": "Abc",
+        "result": "default"
+      }
+    ]
+  },
   {
     "algorithm": "regmatch",
     "caseless": "true",

Packs/MapPattern/pack_metadata.json

@@ -2,7 +2,7 @@
     "name": "MapPattern",
     "description": "This transformer will take in a value and transform it based on multiple condition expressions (wildcard, regex, etc) defined in a JSON dictionary structure.",
     "support": "community",
-    "currentVersion": "1.0.5",
+    "currentVersion": "1.0.6",
     "author": "Masahiko Inoue",
     "url": "",
     "email": "",