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-# haml-lint:disable UnnecessaryStringOutput
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= auto_generated_comment
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:plain
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# GraphQL API Resources
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This documentation is self-generated based on GitLab current GraphQL schema.
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The API can be explored interactively using the [GraphiQL IDE](../index.md#graphiql).
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2020-03-13 15:44:24 +05:30
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Each table below documents a GraphQL type. Types match loosely to models, but not all
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fields and methods on a model are available via GraphQL.
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2021-02-22 17:27:13 +05:30
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WARNING:
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Fields that are deprecated are marked with **{warning-solid}**.
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Items (fields, enums, etc) that have been removed according to our [deprecation process](../index.md#deprecation-and-removal-process) can be found
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in [Removed Items](../removed_items.md).
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2021-06-08 01:23:25 +05:30
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<!-- vale off -->
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<!-- Docs linting disabled after this line. -->
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<!-- See https://docs.gitlab.com/ee/development/documentation/testing.html#disable-vale-tests -->
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\
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:plain
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## `Query` type
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The `Query` type contains the API's top-level entry points for all executable queries.
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\
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- fields_of('Query').each do |field|
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= render_full_field(field, heading_level: 3, owner: 'Query')
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\
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:plain
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## `Mutation` type
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The `Mutation` type contains all the mutations you can execute.
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All mutations receive their arguments in a single input object named `input`, and all mutations
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support at least a return field `errors` containing a list of error messages.
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All input objects may have a `clientMutationId: String` field, identifying the mutation.
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For example:
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```graphql
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mutation($id: NoteableID!, $body: String!) {
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createNote(input: { noteableId: $id, body: $body }) {
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errors
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}
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}
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```
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\
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- mutations.each do |field|
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= render_full_field(field, heading_level: 3, owner: 'Mutation')
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\
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:plain
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## Connections
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Some types in our schema are `Connection` types - they represent a paginated
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collection of edges between two nodes in the graph. These follow the
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[Relay cursor connections specification](https://relay.dev/graphql/connections.htm).
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### Pagination arguments {#connection-pagination-arguments}
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All connection fields support the following pagination arguments:
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| Name | Type | Description |
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|------|------|-------------|
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| `after` | [`String`](#string) | Returns the elements in the list that come after the specified cursor. |
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| `before` | [`String`](#string) | Returns the elements in the list that come before the specified cursor. |
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| `first` | [`Int`](#int) | Returns the first _n_ elements from the list. |
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| `last` | [`Int`](#int) | Returns the last _n_ elements from the list. |
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Since these arguments are common to all connection fields, they are not repeated for each connection.
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### Connection fields
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All connections have at least the following fields:
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| Name | Type | Description |
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|------|------|-------------|
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| `pageInfo` | [`PageInfo!`](#pageinfo) | Pagination information. |
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| `edges` | `[edge!]` | The edges. |
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| `nodes` | `[item!]` | The items in the current page. |
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The precise type of `Edge` and `Item` depends on the kind of connection. A
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[`ProjectConnection`](#projectconnection) will have nodes that have the type
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[`[Project!]`](#project), and edges that have the type [`ProjectEdge`](#projectedge).
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### Connection types
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Some of the types in the schema exist solely to model connections. Each connection
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has a distinct, named type, with a distinct named edge type. These are listed separately
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below.
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\
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- connection_object_types.each do |type|
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= render_name_and_description(type, level: 4)
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\
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= render_object_fields(type[:fields], owner: type, level_bump: 1)
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\
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:plain
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## Object types
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Object types represent the resources that the GitLab GraphQL API can return.
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They contain _fields_. Each field has its own type, which will either be one of the
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basic GraphQL [scalar types](https://graphql.org/learn/schema/#scalar-types)
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(e.g.: `String` or `Boolean`) or other object types. Fields may have arguments.
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Fields with arguments are exactly like top-level queries, and are listed beneath
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the table of fields for each object type.
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For more information, see
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[Object Types and Fields](https://graphql.org/learn/schema/#object-types-and-fields)
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on `graphql.org`.
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\
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- object_types.each do |type|
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= render_name_and_description(type)
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= render_object_fields(type[:fields], owner: type)
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\
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:plain
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## Enumeration types
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Also called _Enums_, enumeration types are a special kind of scalar that
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is restricted to a particular set of allowed values.
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For more information, see
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[Enumeration Types](https://graphql.org/learn/schema/#enumeration-types)
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on `graphql.org`.
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\
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- enums.each do |enum|
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= render_name_and_description(enum)
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\
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~ "| Value | Description |"
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~ "| ----- | ----------- |"
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- enum[:values].each do |value|
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= render_enum_value(enum, value)
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\
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:plain
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## Scalar types
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Scalar values are atomic values, and do not have fields of their own.
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Basic scalars include strings, boolean values, and numbers. This schema also
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defines various custom scalar values, such as types for times and dates.
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This schema includes custom scalar types for identifiers, with a specific type for
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each kind of object.
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For more information, read about [Scalar Types](https://graphql.org/learn/schema/#scalar-types) on `graphql.org`.
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\
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- graphql_scalar_types.each do |type|
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= render_name_and_description(type)
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\
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:plain
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## Abstract types
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Abstract types (unions and interfaces) are ways the schema can represent
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values that may be one of several concrete types.
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- A [`Union`](https://graphql.org/learn/schema/#union-types) is a set of possible types.
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The types might not have any fields in common.
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- An [`Interface`](https://graphql.org/learn/schema/#interfaces) is a defined set of fields.
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Types may `implement` an interface, which
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guarantees that they have all the fields in the set. A type may implement more than
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one interface.
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See the [GraphQL documentation](https://graphql.org/learn/) for more information on using
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abstract types.
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\
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:plain
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### Unions
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- graphql_union_types.each do |type|
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= render_name_and_description(type, level: 4)
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\
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One of:
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- type[:possible_types].each do |member|
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= render_union_member(member)
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\
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:plain
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### Interfaces
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- interfaces.each do |type|
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= render_name_and_description(type, level: 4)
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\
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Implementations:
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\
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- type[:implemented_by].each do |type_name|
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~ "- [`#{type_name}`](##{type_name.downcase})"
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\
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= render_object_fields(type[:fields], owner: type, level_bump: 1)
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\
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:plain
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## Input types
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Types that may be used as arguments (all scalar types may also
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be used as arguments).
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Only general use input types are listed here. For mutation input types,
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see the associated mutation type above.
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\
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- input_types.each do |type|
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= render_name_and_description(type)
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\
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= render_argument_table(3, type[:input_fields], type[:name])
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\
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