     'editing': @state.editingPurpose
 
 
-  handleChange: (newValue) ->
+  handlePurposeInputChange: (newValue) ->
 
     thread = @state.channelThread
 

          {@renderHeader()}
          <ButtonWithMenu listClass='ChannelThreadPane-menuItems' items={@getMenuItems()} />
          {@renderPurposeArea()}
          <StartVideoCallLink onStart={@bound 'onStart'}/>
        </header>
        <div className='ChannelThreadPane-body'>
          <section className='ChannelThreadPane-chatWrapper'>

      channelParticipants   : immutable.List()


  onVideoStart: ->

    @setState isComingSoonModalOpen: yes

