Global Field FAQs
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Modeling “Address” content: Suppose user assigned with the “developer” role wants to use a group of address fields across several content types. In this case, creating an “Address” Global field makes sense. It would comprise fields such as “House No,” “Apartment Name,” “Street Name,” “City,” and “Postal Code.”
Adding SEO metadata fields: Consider a situation where a developer needs to use a group of fields that contain SEO metadata for every entry present across different content types. In such a scenario, the fields that relate to SEO (for example, “Meta Title”, “Meta Description”, and “Meta Keywords”) can be added to a single Global field named “SEO Metadata”. You can now use these metadata fields across multiple content types by referring to the “SEO Metadata” Global field.
You can add a maximum of 100 fields to the Global field. However, while adding the Global field to your content type, you need to keep in mind that the content type only allows you to add a maximum of 100 fields to it.
Yes, you can add multiple Global fields to a content type. However, the maximum number of Global fields that can be added in a single content type is 25. Refer to the limitations section for more details.
Yes, you can refer to the same Global field multiple times within the same content type. This allows you to reuse the Global field schema across different sections of your content types.
Global field accepts multiple values if you enable the “Multiple” property while adding it to the content type. To enable “Multiple,” edit the content type, select the Global field, and check the “Multiple” checkbox in the Edit Properties section on the right-hand side.
You might end up losing data if you do the following:
- Delete a Global field: When you delete a Global field from an existing content type, the data of that field will be lost in all the existing entries.
- Delete a field within a Global field: When you delete a field nested within a Global field, the data of that field will be lost in all the existing entries.
When you add a new field to the content schema of a Global field and save your changes, the new field instantly appears in all the existing entries that contain that Global field.
The Reference field allows you to create references to entries of the same content type or other content type(s). On the other hand, the Global field is just a reusable set of fields that can be created once and used across multiple content types. The value for this field needs to be created separately for each entry.
By default, Contentstack allows you to add only those Reference fields that refer to multiple content types to your Global fields. This means that when you use a Reference field within your Global field, you can create references to entries of multiple content types.