## SubgraphCheckExtensionContent

The fields listed below are all optional and can be included or excluded based on the
[namespace configuration](https://cosmo-docs.wundergraph.com/studio/subgraph-check-extensions#configuration).

| Field | Type | Description |
| --- | --- | --- |
| `subgraphs` | [`SubgraphInfo[]`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#subgraphinfo) or `undefined` | A list of subgraphs that trigger the check. |
| `compositions` | [`CompositionInfo[]`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#compositioninfo) or `undefined` | A list of all compositions produced by the check. |
| `affectedOperations` | [`AffectedOperationInfo[]`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#affectedoperationinfo) or `undefined` | A list containing all the operations affected by the check. |

## SubgraphInfo

| Field | Type | Description |
| --- | --- | --- |
| `id` | `string` | The unique identifier of the subgraph. |
| `name` | `string` | The name of the subgraph. |
| `labels` | [`LabelInfo[]`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#labelinfo) | The list of labels the subgraph is associated with. |
| `oldComposedSdl` | `string` or `undefined` | The original subgraph SDL |
| `newComposedSdl` | `string` or `undefined` | The new subgraph SDL |
| `lintIssues` | [`LintIssue[]`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#lintissue) or `undefined` | A list containing all the lint issues detected based on the `Lint Policies`. |
| `graphPruningIssues` | [`GraphPruningIssue[]`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#graphpruningissue) or `undefined` | A list containing all the graph pruning issues detected based on the `Graph Pruning Policies` |
| `schemaChanges` | [`SchemaChangeInfo[]`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#schemachangeinfo) or `undefined` | A list containing all the changes detected by the check. |

## CompositionInfo

| Field | Type | Description |
| --- | --- | --- |
| `id` | `string` | The unique identifier of the composition. |
| `name` | `string` | The name of the composition. |
| `composedSchema` | `string` | The composed SDL schema. |
| `federatedClientSchema` | `string` | The composed schema for the Federated Client. |
| `subgraphs` | [`CompositionSubgraphInfo[]`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#compositionsubgraphinfo) | A collection of all subgraphs that contributed to this composition. |

### LabelInfo

Provides information about the labels associated with the subgraph.

| Field | Type | Description |
| --- | --- | --- |
| `key` | `string` | The key of the label. |
| `name` | `string` | The name of the label. |

## CompositionSubgraphInfo

| Field | Type | Description |
| --- | --- | --- |
| `id` | `string` | The unique identifier of the subgraph. |
| `name` | `string` | The name of the subgraph. |
| `sdl` | `string` | The SDL of the subgraph. |

## LintIssue

| Field | Type | Description |
| --- | --- | --- |
| `lintRuleType` | `string` | One of the [lint rule](https://cosmo-docs.wundergraph.com/studio/lint-policy/linter-rules). |
| `severity` | [`LintSeverity`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#lintseverity) | The severity of the issue. |
| `message` | `string` | A message describing the issue. |
| `issueLocation` | [`LintIssueLocation`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#lintissuelocation) | The location of the issue related to the schema. |

## LintSeverity

| Field | Value | Description |
| --- | --- | --- |
| Warning | `0` | Represents a lint warning. |
| Error | `1` | Represents a lint error. |

## LintIssueLocation

| Field | Type | Description |
| --- | --- | --- |
| `line` | `number` | The line number of the lint issue. |
| `column` | `number` | The column number of the lint issue. |
| `endLine` | `number` or `undefined` | The end line number of the lint issue. |
| `endColumn` | `number` or `undefined` | The end column number of the lint issue. |

## GraphPruningIssue

| Field | Type | Description |
| --- | --- | --- |
| `graphPruningRuleType` | [`GraphPruningRuleType`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#graphpruningruletype) | The graph pruning rule. |
| `severity` | [`GraphPruningSeverity`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#graphpruningseverity) | The severity of the issue. |
| `fieldPath` | `string` | The path to the field. |
| `message` | `string` | A message describing the issue. |
| `issueLocation` | [`GraphPruningIssueLocation`](https://cosmo-docs.wundergraph.com/studio/sce/file-content#graphpruningissuelocation) | The location of the issue related to the schema. |
| `federatedGraphId` | `string` | The unique identifier of the Federated graph. |
| `federatedGraphName` | `string` | The name of the Federated graph. |
| `subgraphName` | `string` or `undefined` | The name of the subgraph. |

## GraphPruningSeverity

| Field | Value | Description |
| --- | --- | --- |
| Warning | `0` | Represents a graph pruning warning. |
| Error | `1` | Represents a graph pruning error. |

## SchemaChangeInfo

| Field | Type | Description |
| --- | --- | --- |
| `message` | `string` | A `string` representation of the change. |
| `changeType` | `string` | A string representing the type of change. You can find the possible values [here](https://cosmo-docs.wundergraph.com/studio/sce/file-content#list-of-possible-change-types). |
| `path` | `string` | The path to the schema change. |
| `isBreaking` | `boolean` | A value indicating whether the detected change is considered breaking or not. |

### List of possible change types

- FIELD_ARGUMENT_DESCRIPTION_CHANGED
- FIELD_ARGUMENT_DEFAULT_CHANGED
- FIELD_ARGUMENT_TYPE_CHANGED
- DIRECTIVE_REMOVED
- DIRECTIVE_ADDED
- DIRECTIVE_DESCRIPTION_CHANGED
- DIRECTIVE_LOCATION_ADDED
- DIRECTIVE_LOCATION_REMOVED
- DIRECTIVE_ARGUMENT_ADDED
- DIRECTIVE_ARGUMENT_REMOVED
- DIRECTIVE_ARGUMENT_DESCRIPTION_CHANGED
- DIRECTIVE_ARGUMENT_DEFAULT_VALUE_CHANGED
- DIRECTIVE_ARGUMENT_TYPE_CHANGED
- ENUM_VALUE_REMOVED
- ENUM_VALUE_ADDED
- ENUM_VALUE_DESCRIPTION_CHANGED
- ENUM_VALUE_DEPRECATION_REASON_CHANGED
- ENUM_VALUE_DEPRECATION_REASON_ADDED
- ENUM_VALUE_DEPRECATION_REASON_REMOVED
- FIELD_REMOVED
- FIELD_ADDED
- FIELD_DESCRIPTION_CHANGED
- FIELD_DESCRIPTION_ADDED
- FIELD_DESCRIPTION_REMOVED
- FIELD_DEPRECATION_ADDED
- FIELD_DEPRECATION_REMOVED
- FIELD_DEPRECATION_REASON_CHANGED
- FIELD_DEPRECATION_REASON_ADDED
- FIELD_DEPRECATION_REASON_REMOVED
- FIELD_TYPE_CHANGED
- FIELD_ARGUMENT_ADDED
- FIELD_ARGUMENT_REMOVED
- INPUT_FIELD_REMOVED
- INPUT_FIELD_ADDED
- INPUT_FIELD_DESCRIPTION_ADDED
- INPUT_FIELD_DESCRIPTION_REMOVED
- INPUT_FIELD_DESCRIPTION_CHANGED
- INPUT_FIELD_DEFAULT_VALUE_CHANGED
- INPUT_FIELD_TYPE_CHANGED
- OBJECT_TYPE_INTERFACE_ADDED
- OBJECT_TYPE_INTERFACE_REMOVED
- SCHEMA_QUERY_TYPE_CHANGED
- SCHEMA_MUTATION_TYPE_CHANGED
- SCHEMA_SUBSCRIPTION_TYPE_CHANGED
- TYPE_REMOVED
- TYPE_ADDED
- TYPE_KIND_CHANGED
- TYPE_DESCRIPTION_CHANGED
- TYPE_DESCRIPTION_REMOVED
- TYPE_DESCRIPTION_ADDED
- UNION_MEMBER_REMOVED
- UNION_MEMBER_ADDED
- DIRECTIVE_USAGE_UNION_MEMBER_ADDED
- DIRECTIVE_USAGE_UNION_MEMBER_REMOVED
- DIRECTIVE_USAGE_ENUM_ADDED
- DIRECTIVE_USAGE_ENUM_REMOVED
- DIRECTIVE_USAGE_ENUM_VALUE_ADDED
- DIRECTIVE_USAGE_ENUM_VALUE_REMOVED
- DIRECTIVE_USAGE_INPUT_OBJECT_ADDED
- DIRECTIVE_USAGE_INPUT_OBJECT_REMOVED
- DIRECTIVE_USAGE_FIELD_ADDED
- DIRECTIVE_USAGE_FIELD_REMOVED
- DIRECTIVE_USAGE_SCALAR_ADDED
- DIRECTIVE_USAGE_SCALAR_REMOVED
- DIRECTIVE_USAGE_OBJECT_ADDED
- DIRECTIVE_USAGE_OBJECT_REMOVED
- DIRECTIVE_USAGE_INTERFACE_ADDED
- DIRECTIVE_USAGE_INTERFACE_REMOVED
- DIRECTIVE_USAGE_ARGUMENT_DEFINITION_ADDED
- DIRECTIVE_USAGE_ARGUMENT_DEFINITION_REMOVED
- DIRECTIVE_USAGE_SCHEMA_ADDED
- DIRECTIVE_USAGE_SCHEMA_REMOVED
- DIRECTIVE_USAGE_FIELD_DEFINITION_ADDED
- DIRECTIVE_USAGE_FIELD_DEFINITION_REMOVED
- DIRECTIVE_USAGE_INPUT_FIELD_DEFINITION_ADDED
- DIRECTIVE_USAGE_INPUT_FIELD_DEFINITION_REMOVED

## AffectedOperationInfo

| Field | Type | Description |
| --- | --- | --- |
| `schemaChangeId` | `string` | The unique identifier of the schema change. |
| `hash` | `string` | The unique hash of the operation. |
| `name` | `string` | The name of the operation. |
| `type` | `string` | The type of the operation. |
| `firstSeenAt` | `ISO Date` | A `Date` with the `ISO` format indicating when the operation was first seen. |
| `lastSeenAt` | `ISO Date` | A `Date` with the `ISO` format indicating when the operation was last seen. |
| `isSafeOverride` | `boolean` | A value indicating whether it is safe for the operation to be overridden.