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SharePoint 2013 Task forms have a pretty nifty field called Related Items. It allows you to add a reference to another document or site asset to a Task. This is mainly used to display the related item that the task is created for (During a Workflow).
The easiest way is for the user to open a task in the display form and she/he will be able to view the task details plus a field called Related Items that offers a link to the document.
How to display a related document in SharePoint?
As it turns out, there are a few ways to achieve this. So let me share with you a few ways to display related documents in SharePoint as well as the pros and cons of each. The first option is to use a Lookup Column. If you are not familiar with it, I suggest you check out this post.
Can you link to a list in SharePoint?
Select an item from a SharePoint list (yes you can link to a list item as well) The problem is that this field is in the _hidden groups (must be a secret but i am not sure why it is hidden).
I would like to be able to display the related content (i.e. from a document library) in a task list that is tied to a 2013 workflow. Is this possible?
Basically, RelatedItems is when the user adding a new related item and RelatedLinks is SharePoint showing linked items afterwards. We need to change the “Group” property of both these fields to the same name. I chose “Custom Columns” as seen in the screenshot above.
How to create SharePoint related items column in town?
The tool I will use is SP Manager 2013 from Codeplex which some of you might already be using since SharePoint 2007 or SharePoint 2010. The tool allows you to see what’s in your SharePoint Farm basically. What I did is connect to my Site Collection and showed the fields. And found the column I was looking for, Related Items.