diff --git a/we_collector.py b/we_collector.py
index e656ee9..0f7c363 100644
--- a/we_collector.py
+++ b/we_collector.py
@@ -6,6 +6,7 @@ from wci import wci
 from credentials import users
 from folder_mgr.folder_mgr import get_date, date_has_changed, FolderMgr, create_timestamp
 from jay_diff import jay_diff_full
+import argparse
 
 INTERVAL = 1*60
 
@@ -92,7 +93,7 @@ class WeCollector:
 			print(f"Exception: {e}")
 
 
-def request_loop(_wc_list: list[WeCollector]):
+def request_loop(wc: WeCollector):
 	_date_last = None
 	_file_timestamp = None
 
@@ -106,14 +107,12 @@ def request_loop(_wc_list: list[WeCollector]):
 			_file_timestamp = create_timestamp(with_ms=False).replace(':', '-').replace('.', '-')
 
 			# Request service
-			for wc in wc_list:
-				wc.init(_file_timestamp)
+			wc.init(_file_timestamp)
 
 		# Request service
 		_date = get_date()
 		timestamp = create_timestamp()
-		for wc in wc_list:
-			wc.request(_date, timestamp)
+		wc.request(_date, timestamp)
 
 		# wait until next loop
 		stop = time.time()
@@ -125,13 +124,20 @@ def request_loop(_wc_list: list[WeCollector]):
 
 
 if __name__ == '__main__':
-	wc_list = []
+	parser = argparse.ArgumentParser(prog="We Collect", description="Collects vehicle data")
+	parser.add_argument("username", help="Username to collect data for (must exist in credentials.py)")
+	parser.add_argument("--loop", help="Execute once or create event loop", type=bool, default=False)
+
+	args = parser.parse_args()
+	print(args)
+
+	wc = None
 	for user in users:
-		wc_list.append(WeCollector(user))
+		if args.username in user['username']:
+			wc = WeCollector(user)
 
-	print(wc_list)
 	try:
-		request_loop(wc_list)
+		request_loop(wc)
 	except Exception as e:
 		print(f"Terminated with Exception {e}")