Unleash · JSON Structure

Unleash Feature Flag Structure

Structural documentation for Unleash feature flag objects

Type: Properties: 0
Feature FlagsFeature ManagementProgressive DeliveryA/B TestingOpen-SourceDeveloper Tools

Unleash Feature Flag Structure is a JSON Structure definition published by Unleash.

Meta-schema:

JSON Structure

Raw ↑
{
  "title": "Unleash Feature Flag Structure",
  "description": "Structural documentation for Unleash feature flag objects",
  "entity": "FeatureFlag",
  "fields": [
    {"name": "name", "type": "string", "required": true, "description": "Unique flag identifier (kebab-case)"},
    {"name": "description", "type": "string|null", "required": false, "description": "Human-readable flag description"},
    {"name": "type", "type": "enum", "required": true, "description": "Flag lifecycle type: release|experiment|operational|kill-switch|permission"},
    {"name": "project", "type": "string", "required": true, "description": "Parent project ID"},
    {"name": "enabled", "type": "boolean", "required": false, "default": false, "description": "Global enabled status (legacy)"},
    {"name": "stale", "type": "boolean", "required": false, "default": false, "description": "Marked for cleanup"},
    {"name": "impressionData", "type": "boolean", "required": false, "default": false, "description": "Emit impression events"},
    {"name": "createdAt", "type": "datetime", "required": false, "description": "Creation timestamp (ISO 8601)"},
    {"name": "updatedAt", "type": "datetime|null", "required": false, "description": "Last update timestamp"},
    {"name": "lastSeenAt", "type": "datetime|null", "required": false, "description": "Last evaluation timestamp"},
    {
      "name": "createdBy",
      "type": "object",
      "required": false,
      "description": "Creator user info",
      "fields": [
        {"name": "id", "type": "integer", "description": "User ID"},
        {"name": "name", "type": "string", "description": "User name"},
        {"name": "imageUrl", "type": "string", "description": "Avatar URL"}
      ]
    },
    {
      "name": "environments",
      "type": "array<object>",
      "required": false,
      "description": "Per-environment configurations",
      "fields": [
        {"name": "name", "type": "string", "description": "Environment name"},
        {"name": "enabled", "type": "boolean", "description": "Enabled in this environment"},
        {"name": "type", "type": "string", "description": "Environment type"},
        {
          "name": "strategies",
          "type": "array<object>",
          "description": "Activation strategies",
          "fields": [
            {"name": "id", "type": "string", "description": "Strategy ID"},
            {"name": "name", "type": "string", "description": "Strategy type name"},
            {"name": "constraints", "type": "array", "description": "Context constraints"},
            {"name": "parameters", "type": "object", "description": "Strategy parameters"},
            {"name": "segments", "type": "array<integer>", "description": "Applied segment IDs"},
            {"name": "disabled", "type": "boolean", "description": "Strategy disabled"}
          ]
        }
      ]
    },
    {
      "name": "tags",
      "type": "array<object>",
      "required": false,
      "description": "Organizational tags",
      "fields": [
        {"name": "type", "type": "string", "description": "Tag type"},
        {"name": "value", "type": "string", "description": "Tag value"}
      ]
    }
  ]
}

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