Reference existing content from another space
NOTE: To reference existing content from another space, your content type must have a references field.
To reference existing content from another space:
Log in to the Contentful web app and navigate to the "Content" tab.
Click on the entry you want to edit or add a new entry.
Click Add existing content. The Add existing entries window is displayed.
Select the space and environment from which you want to add reference entries.
NOTE: For multiple references, you can select entries from up to three different spaces/environments.Select the entry or entries you want to add, and click Insert entries. The entries are added.