silverstripe-framework/docs/en/02_Developer_Guides/19_GraphQL/06_extending/global_schema.md
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---
title: The global schema
summary: How to push modifications to every schema in the project
---
# Extending the schema
[CHILDREN asList]
[alert]
You are viewing docs for a pre-release version of silverstripe/graphql (4.x).
Help us improve it by joining #graphql on the [Community Slack](https://www.silverstripe.org/blog/community-slack-channel/),
and report any issues at [github.com/silverstripe/silverstripe-graphql](https://github.com/silverstripe/silverstripe-graphql).
Docs for the current stable version (3.x) can be found
[here](https://github.com/silverstripe/silverstripe-graphql/tree/3)
[/alert]
## The global schema
Developers of thirdparty modules that influence graphql schemas may want to take advantage
of the _global schema_. This is a pseudo-schema that will merge itself with all other schemas
that have been defined. A good use case is in the `silverstripe/versioned` module, where it
is critical that all schemas can leverage its schema modifications.
The global schema is named `*`.
**app/_config/graphql.yml**
```yaml
SilverStripe\GraphQL\Schema\Schema:
schemas:
'*':
enums:
VersionedStage:
DRAFT: DRAFT
LIVE: LIVE
```
### Further reading
[CHILDREN]