diff --git a/scripts/cdb/cmd.py b/scripts/cdb/cmd.py
index 46741ce..0feb9c1 100644
--- a/scripts/cdb/cmd.py
+++ b/scripts/cdb/cmd.py
@@ -4,6 +4,7 @@ def _b_cmd(browser, tab, scriptmgr, params):
     line = int(params[0].split(':')[1])
     url = scriptmgr.getUrl(filename)
     print(params, url)
+    tab.debug = True
     tab.call_method("Debugger.setBreakpointByUrl",
                     lineNumber=line,
                     url=url,
diff --git a/scripts/cdb/scriptmgr.py b/scripts/cdb/scriptmgr.py
index 643bc59..c4bc056 100644
--- a/scripts/cdb/scriptmgr.py
+++ b/scripts/cdb/scriptmgr.py
@@ -4,11 +4,27 @@ class ScriptMgr:
     def __init__(self, tab):
         self.scripts = []
         self.tab = tab
-        self.tab.set_listener('Debugger.scriptParsed', self.debuggerOnScriptParsed)
+        self.tab.set_listener('Debugger.scriptParsed', self.onScriptParsed)
+        self.tab.set_listener('Debugger.breakpointResolved', self.onBreakpointResolved)
+        self.tab.set_listener('Debugger.paused', self.onPaused)
+        self.tab.set_listener('Debugger.resumed', self.onResumed)
+        self.tab.set_listener('Debugger.scriptFailedToParse', self.onScriptFailedToParse)
 
-    def debuggerOnScriptParsed(self, **kwargs):
+    def onScriptParsed(self, **kwargs):
         self.scripts.append(kwargs)
 
+    def onBreakpointResolved(self, **kwargs):
+        print('onBreakpointResolved')
+
+    def onPaused(self, **kwargs):
+        print('onPaused')
+
+    def onResumed(self, **kwargs):
+        print('onResumed')
+
+    def onScriptFailedToParse(self, **kwargs):
+        print('onScriptFailedToParse', kwargs['url'])
+
     def getUrl(self, filename):
         for script in self.scripts:
             if filename in script['url']: