287 lines
11 KiB
Markdown
287 lines
11 KiB
Markdown
---
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stage: Release
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group: Release
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
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---
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# Feature Flags API **(FREE)**
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> - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/9566) in GitLab Premium 12.5.
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> - [Moved](https://gitlab.com/gitlab-org/gitlab/-/issues/212318) to GitLab Free in 13.5.
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API for accessing resources of [GitLab Feature Flags](../operations/feature_flags.md).
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Users with Developer or higher [permissions](../user/permissions.md) can access Feature Flag API.
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## Feature Flags pagination
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By default, `GET` requests return 20 results at a time because the API results
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are [paginated](index.md#pagination).
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## List feature flags for a project
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Gets all feature flags of the requested project.
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```plaintext
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GET /projects/:id/feature_flags
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```
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| Attribute | Type | Required | Description |
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| ------------------- | ---------------- | ---------- | --------------------------------------------------------------------------------------------------------------------------- |
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| `id` | integer/string | yes | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding). |
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| `scope` | string | no | The condition of feature flags, one of: `enabled`, `disabled`. |
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```shell
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curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/feature_flags"
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```
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Example response:
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```json
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[
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{
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"name":"merge_train",
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"description":"This feature is about merge train",
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"active": true,
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"version": "new_version_flag",
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"created_at":"2019-11-04T08:13:51.423Z",
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"updated_at":"2019-11-04T08:13:51.423Z",
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"scopes":[],
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"strategies": [
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{
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"id": 1,
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"name": "userWithId",
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"parameters": {
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"userIds": "user1"
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},
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"scopes": [
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{
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"id": 1,
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"environment_scope": "production"
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}
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]
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}
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]
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},
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{
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"name":"new_live_trace",
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"description":"This is a new live trace feature",
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"active": true,
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"version": "new_version_flag",
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"created_at":"2019-11-04T08:13:10.507Z",
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"updated_at":"2019-11-04T08:13:10.507Z",
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"scopes":[],
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"strategies": [
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{
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"id": 2,
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"name": "default",
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"parameters": {},
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"scopes": [
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{
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"id": 2,
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"environment_scope": "staging"
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}
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]
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}
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]
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}
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]
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```
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## Get a single feature flag
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Gets a single feature flag.
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```plaintext
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GET /projects/:id/feature_flags/:feature_flag_name
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```
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| Attribute | Type | Required | Description |
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| ------------------- | ---------------- | ---------- | ---------------------------------------------------------------------------------------|
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| `id` | integer/string | yes | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding). |
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| `feature_flag_name` | string | yes | The name of the feature flag. |
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```shell
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curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/feature_flags/awesome_feature"
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```
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Example response:
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```json
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{
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"name": "awesome_feature",
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"description": null,
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"active": true,
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"version": "new_version_flag",
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"created_at": "2020-05-13T19:56:33.119Z",
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"updated_at": "2020-05-13T19:56:33.119Z",
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"scopes": [],
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"strategies": [
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{
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"id": 36,
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"name": "default",
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"parameters": {},
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"scopes": [
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{
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"id": 37,
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"environment_scope": "production"
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}
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]
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}
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]
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}
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```
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## Create a feature flag
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Creates a new feature flag.
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```plaintext
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POST /projects/:id/feature_flags
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```
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| Attribute | Type | Required | Description |
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| ------------------- | ---------------- | ---------- | ---------------------------------------------------------------------------------------|
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| `id` | integer/string | yes | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding). |
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| `name` | string | yes | The name of the feature flag. |
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| `version` | string | yes | The version of the feature flag. Must be `new_version_flag`. Omit or set to `legacy_flag` to create a [Legacy Feature Flag](feature_flags_legacy.md). |
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| `description` | string | no | The description of the feature flag. |
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| `active` | boolean | no | The active state of the flag. Defaults to true. [Supported](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38350) in GitLab 13.3 and later. |
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| `strategies` | JSON | no | The feature flag [strategies](../operations/feature_flags.md#feature-flag-strategies). |
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| `strategies:name` | JSON | no | The strategy name. Can be `default`, `gradualRolloutUserId`, `userWithId`, or `gitlabUserList`. In [GitLab 13.5](https://gitlab.com/gitlab-org/gitlab/-/issues/36380) and later, can be [`flexibleRollout`](https://docs.getunleash.io/activation_strategy/#flexiblerollout). |
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| `strategies:parameters` | JSON | no | The strategy parameters. |
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| `strategies:scopes` | JSON | no | The scopes for the strategy. |
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| `strategies:scopes:environment_scope` | string | no | The environment spec for the scope. |
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```shell
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curl "https://gitlab.example.com/api/v4/projects/1/feature_flags" \
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--header "PRIVATE-TOKEN: <your_access_token>" \
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--header "Content-type: application/json" \
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--data @- << EOF
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{
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"name": "awesome_feature",
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"version": "new_version_flag",
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"strategies": [{ "name": "default", "parameters": {}, "scopes": [{ "environment_scope": "production" }] }]
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}
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EOF
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```
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Example response:
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```json
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{
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"name": "awesome_feature",
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"description": null,
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"active": true,
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"version": "new_version_flag",
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"created_at": "2020-05-13T19:56:33.119Z",
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"updated_at": "2020-05-13T19:56:33.119Z",
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"scopes": [],
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"strategies": [
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{
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"id": 36,
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"name": "default",
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"parameters": {},
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"scopes": [
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{
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"id": 37,
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"environment_scope": "production"
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}
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]
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}
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]
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}
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```
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## Update a feature flag
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Updates a feature flag.
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```plaintext
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PUT /projects/:id/feature_flags/:feature_flag_name
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```
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| Attribute | Type | Required | Description |
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| ------------------- | ---------------- | ---------- | ---------------------------------------------------------------------------------------|
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| `id` | integer/string | yes | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding). |
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| `feature_flag_name` | string | yes | The current name of the feature flag. |
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| `description` | string | no | The description of the feature flag. |
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| `active` | boolean | no | The active state of the flag. [Supported](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38350) in GitLab 13.3 and later. |
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| `name` | string | no | The new name of the feature flag. [Supported](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/38350) in GitLab 13.3 and later. |
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| `strategies` | JSON | no | The feature flag [strategies](../operations/feature_flags.md#feature-flag-strategies). |
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| `strategies:id` | JSON | no | The feature flag strategy ID. |
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| `strategies:name` | JSON | no | The strategy name. |
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| `strategies:parameters` | JSON | no | The strategy parameters. |
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| `strategies:scopes` | JSON | no | The scopes for the strategy. |
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| `strategies:scopes:id` | JSON | no | The scopes ID. |
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| `strategies:scopes:environment_scope` | string | no | The environment spec for the scope. |
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```shell
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curl "https://gitlab.example.com/api/v4/projects/1/feature_flags/awesome_feature" \
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--header "PRIVATE-TOKEN: <your_access_token>" \
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--header "Content-type: application/json" \
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--data @- << EOF
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{
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"strategies": [{ "name": "gradualRolloutUserId", "parameters": { "groupId": "default", "percentage": "25" }, "scopes": [{ "environment_scope": "staging" }] }]
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}
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EOF
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```
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Example response:
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```json
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{
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"name": "awesome_feature",
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"description": null,
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"active": true,
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"version": "new_version_flag",
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"created_at": "2020-05-13T20:10:32.891Z",
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"updated_at": "2020-05-13T20:10:32.891Z",
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"scopes": [],
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"strategies": [
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{
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"id": 38,
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"name": "gradualRolloutUserId",
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"parameters": {
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"groupId": "default",
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"percentage": "25"
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},
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"scopes": [
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{
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"id": 40,
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"environment_scope": "staging"
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}
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]
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},
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{
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"id": 37,
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"name": "default",
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"parameters": {},
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"scopes": [
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{
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"id": 39,
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"environment_scope": "production"
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}
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]
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}
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]
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}
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```
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## Delete a feature flag
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Deletes a feature flag.
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```plaintext
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DELETE /projects/:id/feature_flags/:feature_flag_name
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```
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| Attribute | Type | Required | Description |
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| ------------------- | ---------------- | ---------- | ---------------------------------------------------------------------------------------|
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| `id` | integer/string | yes | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding). |
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| `feature_flag_name` | string | yes | The name of the feature flag. |
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```shell
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curl --header "PRIVATE-TOKEN: <your_access_token>" --request DELETE "https://gitlab.example.com/api/v4/projects/1/feature_flags/awesome_feature"
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```
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