diff --git a/src/co/gaiwan/compass/db/data.clj b/src/co/gaiwan/compass/db/data.clj
index 20e06a9..7d1a604 100644
--- a/src/co/gaiwan/compass/db/data.clj
+++ b/src/co/gaiwan/compass/db/data.clj
@@ -7,9 +7,26 @@
 (defn locations []
   [{:location/name "Het Depot"
     :db/ident      :location.type/depot}
+   {:location/name "Het Depot - main stage"
+    :db/ident      :location.type/depot-main-stage}
+   {:location/name "Het Depot - Bar"
+    :db/ident      :location.type/depot-bar}
    {:location/name "Hal 5"
     :db/ident      :location.type/hal5}
-   ])
+   {:location/name "Hal 5 - zone A"
+    :db/ident      :location.type/hal5-zone-a}
+   {:location/name "Hal 5 - zone B"
+    :db/ident      :location.type/hal5-zone-b}
+   {:location/name "Hal 5 - HoC Café"
+    :db/ident      :location.type/hal5-hoc-cafe}
+   {:location/name "Hal 5 - Foodcourt"
+    :db/ident      :location.type/hal5-foodcourt}
+   {:location/name "Hal 5 - park"
+    :db/ident      :location.type/hal5-park}
+   {:location/name "Hal 5 - outside seating"
+    :db/ident      :location.type/hal5-outside-seating}
+   {:location/name "Hal 5 - long table"
+    :db/ident      :location.type/hal5-long-table}])
 
 (defn session-types []
   [{:session.type/name  "Talk"
diff --git a/src/co/gaiwan/compass/db/schema.clj b/src/co/gaiwan/compass/db/schema.clj
index a2ff671..8f6481b 100644
--- a/src/co/gaiwan/compass/db/schema.clj
+++ b/src/co/gaiwan/compass/db/schema.clj
@@ -24,6 +24,9 @@
    [:session/location :ref "Where does the session take place"]
    [:session/image :string "Image URL, either absolute, or relative to compass root"]
    [:session/capacity :long "Number of people that are able to join this session"]
+   [:session/signup :long "Number of people that are currently signing up this session"]
+   [:session/ticket-required? :boolean "If this session requires a ticket"]
+   [:session/published? :boolean "If this session is published/visible?"]
 
    [:session.type/name :string "Type of session, e.g. talk, activity"]
    [:session.type/color :string "CSS color or var reference used for rendering"]
diff --git a/src/co/gaiwan/compass/html/sessions.clj b/src/co/gaiwan/compass/html/sessions.clj
index 792058c..80fc1a9 100644
--- a/src/co/gaiwan/compass/html/sessions.clj
+++ b/src/co/gaiwan/compass/html/sessions.clj
@@ -86,17 +86,13 @@
      [:div
       [:label {:for "type"} "Type"]
       [:select {:id "type" :name "type"}
-       [:option {:value "talk"} "talk"]
-       [:option {:value "workshop"} "workshop"]
-       [:option {:value "keynote"} "keynote"]
-       [:option {:value "office-hours"} "office-hours"]
-       [:option {:value "session"} "session"]]]
+       [:option {:value "activity"} "activity"]]]
 
      [:div
       [:label {:for "location"} "Location"]
       [:select {:id "location" :name "location"}
        [:option {:value "depot-main-stage"} "Het Depot - main stage"]
-       [:option {:value "depot-baar"} "Het Depot - Bar"]
+       [:option {:value "depot-bar"} "Het Depot - Bar"]
        [:option {:value "hal5-zone-a"} "Hal 5 - zone A"]
        [:option {:value "hal5-zone-b"} "Hal 5 - zone B"]
        [:option {:value "hal5-hoc-cafe"} "Hal 5 - HoC Café"]
@@ -114,8 +110,8 @@
       [:textarea {:id "description" :name "description"}]]
 
      [:div
-      [:label {:for "requires_ticket"} "Requires Ticket?"]
-      [:input {:id "requires_ticket" :name "requires-ticket?" :type "checkbox"}]]
+      [:label {:for "ticket"} "Requires Ticket?"]
+      [:input {:id "ticket" :name "ticket-required?" :type "checkbox"}]]
 
      [:div
       [:label {:for "published"} "Published/Visible?"]
diff --git a/src/co/gaiwan/compass/routes/sessions.clj b/src/co/gaiwan/compass/routes/sessions.clj
index e80723d..e062c88 100644
--- a/src/co/gaiwan/compass/routes/sessions.clj
+++ b/src/co/gaiwan/compass/routes/sessions.clj
@@ -18,16 +18,35 @@
     {:html/head [:title "Create new session"]
      :html/body [h/session-form {}]}))
 
+(defn params->session-data
+  "convert the Http Post Params to data ready for DB transaction"
+  [{:keys [name description
+           type location
+           capacity
+           ticket-required? published?]}]
+  (cond-> {:session/title name
+           :session/description description
+           :session/type (keyword "session.type" type)
+           :session/location (keyword "location.type" location)
+           :session/capacity (Integer/parseInt capacity)}
+    (= ticket-required? "on")
+    (assoc :session/ticket-required? true)
+    (= published? "on")
+    (assoc :session/published? true)))
+
 (defn save-session
   "Save session to Datomic
   
   The typical params is:
-  {:name \"dsafa\", :type \"talk\", 
-   :location \"depot-main-stage\", :capacity \"34\", 
-   :description \"dsafa\", :requires-ticket? \"on\"
+  {:name \"dsafa\",
+   :description \"dsafa\",
+   :type \"activity\", 
+   :location \"depot-main-stage\",
+   :capacity \"34\", 
+   :ticket-required? \"on\"
    :published? \"on\"}"
   [{:keys [params]}]
-  ;; TODO save to datomic
+  (db/transact [(params->session-data params)])
   {:html/body [:p "OK " (pr-str params)]})
 
 (defn routes []