# fiftyone.core.threed.validators Simple validator utilities Copyright 2017-2026, Voxel51, Inc.
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**Functions:** | [`validate_bool`](#fiftyone.core.threed.validators.validate_bool)(v[, nullable]) | | |-----------------------------------------------------------------------------------------------|----| | [`validate_choice`](#fiftyone.core.threed.validators.validate_choice)(v, options[, nullable]) | | | [`validate_color`](#fiftyone.core.threed.validators.validate_color)(v[, nullable]) | | | [`validate_float`](#fiftyone.core.threed.validators.validate_float)(v[, nullable]) | | | [`validate_list`](#fiftyone.core.threed.validators.validate_list)(v[, length, nullable]) | | **Classes:** | [`BaseValidatedDataClass`](#fiftyone.core.threed.validators.BaseValidatedDataClass)() | | |-----------------------------------------------------------------------------------------|----| ### fiftyone.core.threed.validators.validate_bool(v: [bool](fiftyone.core.stages.md#fiftyone.core.stages.Exists.bool) | None, nullable: [bool](fiftyone.core.stages.md#fiftyone.core.stages.Exists.bool) = False) ### fiftyone.core.threed.validators.validate_choice(v: Any, options: frozenset, nullable: [bool](fiftyone.core.stages.md#fiftyone.core.stages.Exists.bool) = False) ### fiftyone.core.threed.validators.validate_color(v: str | None, nullable: [bool](fiftyone.core.stages.md#fiftyone.core.stages.Exists.bool) = False) ### fiftyone.core.threed.validators.validate_float(v: float | None, nullable: [bool](fiftyone.core.stages.md#fiftyone.core.stages.Exists.bool) = False) ### fiftyone.core.threed.validators.validate_list(v: Any, length: int | None = None, nullable: [bool](fiftyone.core.stages.md#fiftyone.core.stages.Exists.bool) = False) → [list](fiftyone.core.session.events.md#fiftyone.core.session.events.Colorscale.list) ### *class* fiftyone.core.threed.validators.BaseValidatedDataClass Bases: `object`