diff --git a/code/python/assets/config.yaml b/code/python/assets/config.yaml
index 9a09ba5..62cc33c 100644
--- a/code/python/assets/config.yaml
+++ b/code/python/assets/config.yaml
@@ -6,10 +6,13 @@ info:
     ADS2 an der Universität Leipzig (Sommersemester 2022)
     implementiert.
 options:
+  # log-level: DEBUG
+  log-level: INFO
+  verbose: &ref_verbose true
   tarjan:
-    verbose: true
+    verbose: *ref_verbose
   tsp:
-    verbose: true
+    verbose: *ref_verbose
   hirschberg:
     # standardwerte sind (1, 1) und (2, 1):
     penality-gap: 1
diff --git a/code/python/models/config-schema.yaml b/code/python/models/config-schema.yaml
index b0a55bf..afac7bd 100644
--- a/code/python/models/config-schema.yaml
+++ b/code/python/models/config-schema.yaml
@@ -48,9 +48,17 @@ components:
         Options pertaining to the rudimentary setup of the app.
       type: object
       required:
+        - log-level
         - tsp
+        - tarjan
         - hirschberg
       properties:
+        log-level:
+          $ref: '#/components/schemas/EnumLogLevel'
+        verbose:
+          description: Global setting for verbosity.
+          type: boolean
+          default: false
         tarjan:
           type: object
           required:
@@ -106,6 +114,16 @@ components:
                 $ref: '#/components/schemas/EnumHirschbergShow'
               default: []
     # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    # Enum LogLevel
+    # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    EnumLogLevel:
+      description: |-
+        Enumeration of settings for log level.
+      type: string
+      enum:
+        - INFO
+        - DEBUG
+    # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     # Enum Hirschberg - Verbosity options
     # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     EnumHirschbergVerbosity: