# ListGuardrailKeyAssignmentsData ## Fields | Field | Type | Required | Description | Example | | ---------------------------------------------------------------- | ---------------------------------------------------------------- | ---------------------------------------------------------------- | ---------------------------------------------------------------- | ---------------------------------------------------------------- | | `id` | *str* | :heavy_check_mark: | Unique identifier for the assignment | 550e8400-e29b-41d4-a716-446655440000 | | `key_hash` | *str* | :heavy_check_mark: | Hash of the assigned API key | c56454edb818d6b14bc0d61c46025f1450b0f4012d12304ab40aacb519fcbc93 | | `guardrail_id` | *str* | :heavy_check_mark: | ID of the guardrail | 550e8400-e29b-41d4-a716-446655440001 | | `key_name` | *str* | :heavy_check_mark: | Name of the API key | Production Key | | `key_label` | *str* | :heavy_check_mark: | Label of the API key | prod-key | | `assigned_by` | *Nullable[str]* | :heavy_check_mark: | User ID of who made the assignment | user_abc123 | | `created_at` | *str* | :heavy_check_mark: | ISO 8601 timestamp of when the assignment was created | 2025-08-24T10:30:00Z |