44 lines
4.6 KiB
Markdown
44 lines
4.6 KiB
Markdown
<!--- Hugo front matter used to generate the website version of this page:
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<!-- NOTE: THIS FILE IS AUTOGENERATED. DO NOT EDIT BY HAND. -->
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<!-- see templates/registry/markdown/attribute_namespace.md.j2 -->
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# Feature Flag
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## Feature Flag Attributes
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This document defines attributes for Feature Flags.
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| Attribute | Type | Description | Examples | Stability |
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|---|---|---|---|---|
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| <a id="feature-flag-context-id" href="#feature-flag-context-id">`feature_flag.context.id`</a> | string | The unique identifier for the flag evaluation context. For example, the targeting key. | `5157782b-2203-4c80-a857-dbbd5e7761db` |  |
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| <a id="feature-flag-evaluation-error-message" href="#feature-flag-evaluation-error-message">`feature_flag.evaluation.error.message`</a> | string | A message explaining the nature of an error occurring during flag evaluation. | `Flag `header-color` expected type `string` but found type `number`` |  |
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| <a id="feature-flag-evaluation-reason" href="#feature-flag-evaluation-reason">`feature_flag.evaluation.reason`</a> | string | The reason code which shows how a feature flag value was determined. | `static`; `targeting_match`; `error`; `default` |  |
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| <a id="feature-flag-key" href="#feature-flag-key">`feature_flag.key`</a> | string | The lookup key of the feature flag. | `logo-color` |  |
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| <a id="feature-flag-provider-name" href="#feature-flag-provider-name">`feature_flag.provider_name`</a> | string | Identifies the feature flag provider. | `Flag Manager` |  |
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| <a id="feature-flag-set-id" href="#feature-flag-set-id">`feature_flag.set.id`</a> | string | The identifier of the [flag set](https://openfeature.dev/specification/glossary/#flag-set) to which the feature flag belongs. | `proj-1`; `ab98sgs`; `service1/dev` |  |
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| <a id="feature-flag-variant" href="#feature-flag-variant">`feature_flag.variant`</a> | string | A semantic identifier for an evaluated flag value. [1] | `red`; `true`; `on` |  |
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| <a id="feature-flag-version" href="#feature-flag-version">`feature_flag.version`</a> | string | The version of the ruleset used during the evaluation. This may be any stable value which uniquely identifies the ruleset. | `1`; `01ABCDEF` |  |
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**[1] `feature_flag.variant`:** A semantic identifier, commonly referred to as a variant, provides a means
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for referring to a value without including the value itself. This can
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provide additional context for understanding the meaning behind a value.
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For example, the variant `red` maybe be used for the value `#c05543`.
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---
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`feature_flag.evaluation.reason` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
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| Value | Description | Stability |
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|---|---|---|
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| `cached` | The resolved value was retrieved from cache. |  |
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| `default` | The resolved value fell back to a pre-configured value (no dynamic evaluation occurred or dynamic evaluation yielded no result). |  |
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| `disabled` | The resolved value was the result of the flag being disabled in the management system. |  |
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| `error` | The resolved value was the result of an error. |  |
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| `split` | The resolved value was the result of pseudorandom assignment. |  |
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| `stale` | The resolved value is non-authoritative or possibly out of date |  |
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| `static` | The resolved value is static (no dynamic evaluation). |  |
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| `targeting_match` | The resolved value was the result of a dynamic evaluation, such as a rule or specific user-targeting. |  |
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| `unknown` | The reason for the resolved value could not be determined. |  |
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