diff --git a/app/assets/javascripts/src/Metamaps.js.erb b/app/assets/javascripts/src/Metamaps.js.erb
index c9415cfa..70252ea8 100644
--- a/app/assets/javascripts/src/Metamaps.js.erb
+++ b/app/assets/javascripts/src/Metamaps.js.erb
@@ -2270,6 +2270,7 @@ Metamaps.Realtime = {
         invited: Metamaps.Active.Mapper.id,
         inviter: userid
       });
+      $.post('/maps/' + Metamaps.Active.Map.id + '/events/conversation');
       self.joinCall();
       Metamaps.GlobalUI.clearNotify();
     },
diff --git a/app/controllers/maps_controller.rb b/app/controllers/maps_controller.rb
index 131e5959..82b87ffb 100644
--- a/app/controllers/maps_controller.rb
+++ b/app/controllers/maps_controller.rb
@@ -1,7 +1,7 @@
 class MapsController < ApplicationController
 
-    before_action :require_user, only: [:create, :update, :screenshot, :destroy]
-    after_action :verify_authorized, except: [:activemaps, :featuredmaps, :mymaps, :usermaps]
+    before_action :require_user, only: [:create, :update, :screenshot, :events, :destroy]
+    after_action :verify_authorized, except: [:activemaps, :featuredmaps, :mymaps, :usermaps, :events]
     after_action :verify_policy_scoped, only: [:activemaps, :featuredmaps, :mymaps, :usermaps]
 
     respond_to :html, :json, :csv
@@ -102,6 +102,24 @@ class MapsController < ApplicationController
       end
     end
 
+    # POST maps/:id/events/:event
+    def events
+      map = Map.find(params[:id])
+      authorize map
+
+      valid_event = false
+      if params[:event] == 'conversation'
+        Events::ConversationStartedOnMap.publish!(map, current_user)
+        valid_event = true
+      end
+
+      respond_to do |format|
+        format.json { 
+          head :ok if valid_event
+          head :bad_request if not valid_event
+        }
+      end
+    end
 
     # GET maps/:id/contains
     def contains
diff --git a/app/models/event.rb b/app/models/event.rb
index 6dfb7e26..0ad350ea 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -1,5 +1,5 @@
 class Event < ActiveRecord::Base
-  KINDS = %w[topic_added_to_map synapse_added_to_map]
+  KINDS = %w[conversation_started_on_map topic_added_to_map synapse_added_to_map]
 
   #has_many :notifications, dependent: :destroy
   belongs_to :eventable, polymorphic: true
diff --git a/app/models/events/conversation_started_on_map.rb b/app/models/events/conversation_started_on_map.rb
new file mode 100644
index 00000000..f8a0ca2c
--- /dev/null
+++ b/app/models/events/conversation_started_on_map.rb
@@ -0,0 +1,18 @@
+class Events::ConversationStartedOnMap < Event
+  #after_create :notify_users!
+
+  def self.publish!(map, user)
+    create!(kind: "conversation_started_on_map",
+            eventable: map,
+            map: map,
+            user: user)
+  end
+
+  private
+
+  #def notify_users!
+  #  unless comment_vote.user == comment_vote.comment_user
+  #    notify!(comment_vote.comment_user)
+  #  end
+  #end
+end
diff --git a/app/models/webhooks/slack/base.rb b/app/models/webhooks/slack/base.rb
index 98503916..3337e320 100644
--- a/app/models/webhooks/slack/base.rb
+++ b/app/models/webhooks/slack/base.rb
@@ -37,7 +37,7 @@ Webhooks::Slack::Base = Struct.new(:event) do
   #end
 
   def view_map_on_metamaps(text = nil)
-    "<#{map_url(eventable.map)}|#{text || eventable.map.name}>"
+    "<#{map_url(event.map)}|#{text || event.map.name}>"
   end
 
   #def view_discussion_on_loomio(params = {})
diff --git a/app/models/webhooks/slack/conversation_started_on_map.rb b/app/models/webhooks/slack/conversation_started_on_map.rb
new file mode 100644
index 00000000..489559c7
--- /dev/null
+++ b/app/models/webhooks/slack/conversation_started_on_map.rb
@@ -0,0 +1,27 @@
+class Webhooks::Slack::ConversationStartedOnMap < Webhooks::Slack::Base
+
+  def text
+    "There is a live conversation starting on map *#{event.map.name}*. #{view_map_on_metamaps('Join in!')}"
+  end
+  # todo: it would be sweet if it sends it with the metacode as the icon_url
+
+  def attachment_fallback
+    "" #{}"*#{eventable.name}*\n#{eventable.description}\n"
+  end
+
+  def attachment_title
+    "" #proposal_link(eventable)
+  end
+
+  def attachment_text
+    "" # "#{eventable.description}\n"
+  end
+
+  def attachment_fields
+    [{
+      title: "nothing",
+      value: "nothing"
+    }] #[motion_vote_field]
+  end
+
+end
diff --git a/app/policies/map_policy.rb b/app/policies/map_policy.rb
index 5b4bbfa9..b1ece0e3 100644
--- a/app/policies/map_policy.rb
+++ b/app/policies/map_policy.rb
@@ -35,6 +35,10 @@ class MapPolicy < ApplicationPolicy
     show?
   end
 
+  def events?
+    show?
+  end
+
   def contains?
     show?
   end
diff --git a/config/routes.rb b/config/routes.rb
index a9f82d9c..345547f4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -37,14 +37,15 @@ Metamaps::Application.routes.draw do
   
   resources :maps, except: [:index, :new, :edit]
   get 'maps/:id/export', to: 'maps#export'
+  post 'maps/:id/events/:event', to: 'maps#events'
+  get 'maps/:id/contains', to: 'maps#contains', as: :contains
+  post 'maps/:id/upload_screenshot', to: 'maps#screenshot', as: :screenshot
 
   get 'explore/active', to: 'maps#activemaps'
   get 'explore/featured', to: 'maps#featuredmaps'
   get 'explore/mine', to: 'maps#mymaps'
   get 'explore/mapper/:id', to: 'maps#usermaps'
 
-  get 'maps/:id/contains', to: 'maps#contains', as: :contains
-  post 'maps/:id/upload_screenshot', to: 'maps#screenshot', as: :screenshot
   
   devise_for :users, controllers: { registrations: 'users/registrations', passwords: 'users/passwords', sessions: 'devise/sessions' }, :skip => :sessions