diff --git a/examples/run_automl.py b/examples/run_automl.py
index a144f31..dd54b7c 100644
--- a/examples/run_automl.py
+++ b/examples/run_automl.py
@@ -13,6 +13,7 @@ table_path = 'datasets/yahoo_sub_5.csv'
 target_index = 6 # what column is the target
 #table_path = 'datasets/NAB/realTweets/labeled_Twitter_volume_IBM.csv' # The path of the dataset
 time_limit = 30 # How many seconds you wanna search
+
 #metric = 'F1' # F1 on label 1
 metric = 'F1_MACRO' # F1 on both label 0 and 1
 
@@ -21,7 +22,7 @@ df = pd.read_csv(table_path)
 dataset, problem_description = generate_dataset_problem(df, target_index=target_index, metric=metric)
 
 # Start backend
-backend = SimpleRunner(random_seed=0)
+backend = SimpleRunner(random_seed=42)
 
 # Start search algorithm
 search = BruteForceSearch(problem_description=problem_description, backend=backend)
diff --git a/tods/searcher/search/brute_force_search.py b/tods/searcher/search/brute_force_search.py
index ac875e1..b5db6ec 100644
--- a/tods/searcher/search/brute_force_search.py
+++ b/tods/searcher/search/brute_force_search.py
@@ -148,7 +148,8 @@ primitive_python_paths = {
         #'d3m.primitives.tods.detection_algorithm.KDiscordODetector',
         #'d3m.primitives.tods.detection_algorithm.deeplog',
         #'d3m.primitives.tods.detection_algorithm.telemanom',
-    ]
+    ],
+    'contamination': [0.01, 0.02, 0.05, 0.07, 0.1, 0.15, 0.2],
 }
 
 
@@ -233,6 +234,7 @@ def _generate_pipline(combinations):
         tods_step_6= PrimitiveStep(primitive=index.get_primitive(combination[2]))
         tods_step_6.add_argument(name='inputs', argument_type=ArgumentType.CONTAINER, data_reference='steps.5.produce')
         tods_step_6.add_output('produce')
+        tods_step_6.add_hyperparameter(name='contamination', argument_type=ArgumentType.VALUE, data=combination[3])
         pipeline_description.add_step(tods_step_6)
 
         #tods_step_7 = PrimitiveStep(primitive=index.get_primitive(combination[3]))
@@ -267,7 +269,7 @@ def _generate_pipelines(primitive_python_paths, cpu_count=40):
     import multiprocessing as mp
 
     #components = ['data_processing', 'timeseries_processing', 'feature_analysis', 'detection_algorithm']
-    components = ['timeseries_processing', 'feature_analysis', 'detection_algorithm']
+    components = ['timeseries_processing', 'feature_analysis', 'detection_algorithm', 'contamination']
     combinations = itertools.product(*(primitive_python_paths[k] for k in components))