26 lines
844 B
Markdown
26 lines
844 B
Markdown
---
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title: Interfaces
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redirect_from:
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- /v4/interface
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- /v4/reference/interface
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versions:
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fpt: '*'
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ghec: '*'
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ghes: '*'
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ghae: '*'
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topics:
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- API
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---
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## About interfaces
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[Interfaces](https://graphql.github.io/graphql-spec/June2018/#sec-Interfaces) serve as parent objects from which other objects can inherit.
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For example, [`Lockable`](/graphql/reference/interfaces#lockable) is an interface because both [`Issue`](/graphql/reference/objects#issue) and [`PullRequest`](/graphql/reference/objects#pullrequest) objects can be locked. An interface has its own list of named fields that are shared by implementing objects.
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For more information, see "[Implementation](/graphql/guides/introduction-to-graphql#implementation)."
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{% for item in graphql.schemaForCurrentVersion.interfaces %}
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{% include graphql-interface %}
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{% endfor %}
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