diff --git a/bin/linspector b/bin/linspector
index 275dc0c..e82bcca 100755
--- a/bin/linspector
+++ b/bin/linspector
@@ -155,8 +155,9 @@ def main():
                                             core,
                                             hostgroup)
                         scheduler_job = period.createJob(scheduler, job, handle_job, start_date=new_start_date)
-                        scheduler_job.misfire_grace_time = 2
+
                         if scheduler_job is not None:
+                            scheduler_job.misfire_grace_time = 2
                             job.set_job(scheduler_job)
                             jobs.append(job)
 
diff --git a/linspector/config/members.py b/linspector/config/members.py
index 2009fbd..5a22fa9 100644
--- a/linspector/config/members.py
+++ b/linspector/config/members.py
@@ -44,6 +44,11 @@ class Member:
             raise MemberMissingArgumentException(tmp, name)
         self.add_tasks(kwargs[tmp])
 
+        tmp = "parent"
+        self.parent = None
+        if tmp in kwargs:
+            self.parent = kwargs[tmp]
+
     def __add_internal(self, l, item):
         if isinstance(item, list):
             l.extend(item)
@@ -59,6 +64,12 @@ class Member:
     def get_tasks(self):
         return self.__tasks
 
+    def has_parent(self):
+        return self.parent is not None
+
+    def get_parent(self):
+        return self.parent
+
     def __str__(self):
         ret = "Member: " + self.name + " Tasks: "
         for t in self.tasks:
diff --git a/linspector/core/interface.py b/linspector/core/interface.py
index 29326ce..c30972d 100644
--- a/linspector/core/interface.py
+++ b/linspector/core/interface.py
@@ -41,6 +41,9 @@ class LinspectorInterface(object):
         for job in self.jobs:
             self.jobHex.append(job.hex_string())
 
+    def get_config(self):
+        return self._config
+
     def get_job_hex_strings(self):
         return self.jobHex
 
@@ -74,6 +77,9 @@ class LinspectorInterface(object):
         #d["Last Escalation"] = None
         return d
 
+    def add_job(self, job):
+        self.jobs.append(job)
+
     def get_job_list(self):
         job_list = []
         for job in self.jobs:
diff --git a/linspector/frontends/lish.py b/linspector/frontends/lish.py
index d497d50..644f69f 100644
--- a/linspector/frontends/lish.py
+++ b/linspector/frontends/lish.py
@@ -54,7 +54,8 @@ class LishFrontend(Frontend):
         run = True
         while run:
             try:
-                commander.cmdloop(GREEN + "Lish - Linspector interactive shell (" + __version__ + ")" + END)
+                print(GREEN + "Lish - Linspector interactive shell (" + __version__ + ")" + END)
+                commander.cmdloop()
             except KeyboardInterrupt, ki:
                 run = False
             except Exception, err:
@@ -220,8 +221,6 @@ class NewLish(CmdWrapper):
 
 
 
-
-
 class Job(CmdWrapper):
     def __init__(self, interface):
 
diff --git a/linspector/transactions/BaseTransaction.py b/linspector/transactions/BaseTransaction.py
new file mode 100644
index 0000000..3ccfafd
--- /dev/null
+++ b/linspector/transactions/BaseTransaction.py
@@ -0,0 +1,9 @@
+__author__ = 'rafael'
+
+
+class BaseTransaction(object):
+    def __init__(self, linspectorInterface:
+        self.interface = linspectorInterface
+
+    def transact(self):
+        pass
\ No newline at end of file
diff --git a/linspector/transactions/HostgroupHostTransaction.py b/linspector/transactions/HostgroupHostTransaction.py
new file mode 100644
index 0000000..15943e9
--- /dev/null
+++ b/linspector/transactions/HostgroupHostTransaction.py
@@ -0,0 +1,44 @@
+from linspector.transactions import HostgroupTransaction
+from linspector.core.job import LinspectorJob
+
+__author__ = 'rafael'
+
+def handle_job(job):
+    job.handle_call()
+
+
+class HostgroupHostTransaction(HostgroupTransaction):
+    def __init__(self, linspectorInterface,  hostgroup, host):
+        super(HostgroupHostTransaction).__init__(linspectorInterface, hostgroup)
+        self.host = host
+
+class HostgroupAddHostTransaction(HostgroupHostTransaction):
+    def __init__(self, linspectorInterface, hostgroup, host):
+        super(HostgroupHostTransaction).__init__(linspectorInterface, hostgroup, host)
+
+
+
+    def transact(self):
+        hostgroup = self.interface.get_config().get_hostgroup_by_name(self.hostgroup)
+        if hostgroup is not None:
+            hostgroup.add_host(self.host)
+            for service in hostgroup.get_services():
+                for host in hostgroup.get_hosts():
+                    for period in service.get_periods():
+
+                        job = LinspectorJob(service,
+                                            host,
+                                            hostgroup.get_members(),
+                                            None,
+                                            hostgroup)
+                        scheduler_job = period.createJob(self.scheduler, job, handle_job)
+                        if scheduler_job is not None:
+                            scheduler_job.misfire_grace_time = 2
+                            job.set_job(scheduler_job)
+                            self.interface.add_job(job)
+
+
+        else:
+            raise Exception("could not find hostgroup %s" % self.hostgroup )
+
+
diff --git a/linspector/transactions/HostgroupTransaction.py b/linspector/transactions/HostgroupTransaction.py
new file mode 100644
index 0000000..fd21829
--- /dev/null
+++ b/linspector/transactions/HostgroupTransaction.py
@@ -0,0 +1,9 @@
+from cherrypy.test.test_session import host
+from linspector.transactions import BaseTransaction
+
+__author__ = 'rafael'
+
+class HostgroupTransaction(BaseTransaction):
+    def __init__(self, linspectorInterface, hostgroup):
+        super(HostgroupTransaction, self).__init__(linspectorInterface)
+        self.hostgroup = hostgroup
\ No newline at end of file
diff --git a/linspector/transactions/__init__.py b/linspector/transactions/__init__.py
new file mode 100644
index 0000000..f399501
--- /dev/null
+++ b/linspector/transactions/__init__.py
@@ -0,0 +1 @@
+__author__ = 'rafael'