Custom ribbon action for specific list

Question

I have a custom ribbon action that I want to add to my specific list called "Meeting", it's a calendar type list..

My custom action XML is as follows:

<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
  <CustomAction
  Description="View Agenda"
  Title="View Agenda"
  Id="{A6A6E30B-FB11-4CB3-8D39-3D1159CED532}"
  Location="CommandUI.Ribbon.DisplayForm"
  RegistrationId="Meeting"
  RegistrationType="List"
  Sequence="5"
  Rights="ViewListItems"
  xmlns="http://schemas.microsoft.com/sharepoint/">
    <CommandUIExtension xmlns="http://schemas.microsoft.com/sharepoint/">
      <!-- Define the (UI) button to be used for this custom action -->
      <CommandUIDefinitions>
        <CommandUIDefinition Location="Ribbon.ListForm.Display.Manage.Controls._children">
          <Button Id="{F984D5B5-5474-4C1E-BF9C-713C67E70F2A}"
          Command="{A9424973-D302-4D7D-98B9-7489B6682780}"
          Image32by32="~/_layouts/15/ViewAgenda.png"
          Image16by16="/_layouts/15/ViewAgenda.png"
          Sequence="5"
          LabelText="View Agenda"
          Description="View Agenda"
          TemplateAlias="o1"/>
        </CommandUIDefinition>
      </CommandUIDefinitions>
      <CommandUIHandlers>
        <!-- Define the action expected on the button click -->
        <CommandUIHandler Command="{A9424973-D302-4D7D-98B9-7489B6682780}" CommandAction="~site/SitePages/Agenda.aspx" />
      </CommandUIHandlers>
    </CommandUIExtension>
  </CustomAction>
</Elements>

But it doesn't work for me, but when I changed RegistrationId="108", all calendar type list has my custom ribbon action. How would I change this code to make it for specific list (Only for Meetings list). Note: I don't want to go for content types.

Thanks

Answer 1

Assigning a list guid to registration id is not possible.

In your case you would need to have a specific list-template-id or content type assigned to this list and assign this to the registration id. You get a custom listtemplate-id if you create a list definition in a solution and create a new instance of this list.

Otherwise you could use the "EnabledScript" Attribute for CommandUIHandler where you write in javascript for example the condition in which the Custom Action should be enabled. This would mean that the Ribbon is also in every list but not enabled.

Answer 2

You can use the EnabledScript attribute to enable the action just for your Meeting List.

<CommandUIHandler 
  Command="Ribbon.ListItem.CustomGroup.Controls.BtnSayHello.Command"
  CommandAction="javascript:doYourStuff();"
  EnabledScript="javascript:
    function isEnable(){
      if(SP.ListOperation.Selection.getSelectedList() == "meeting list GUID"){
        return true;
      }
      return false;
    }
    isEnable();"
/>