# AssetNullableDateFilterInput > Input in domain **Libraries** - HTML: [AssetNullableDateFilterInput.html](AssetNullableDateFilterInput.html) - Raw SDL: [AssetNullableDateFilterInput.sdl](AssetNullableDateFilterInput.sdl) - Covered by: [llms.txt](../llms.txt) Filter for a nullable date field. Exactly one field must be set. Accepts a full date-time; send UTC to avoid ambiguity. ## Input fields - `is`: `DateTime` — Match assets exactly on this date-time. - `isBefore`: `DateTime` — Match assets before this date-time. - `isAfter`: `DateTime` — Match assets after this date-time. - `isBetween`: `AssetDateRangeInput` — Match assets within this date-time range. - `isEmpty`: `Boolean` — Match assets with no value set. Must be `true` when provided. - `isNotEmpty`: `Boolean` — Match assets with a value set. Must be `true` when provided.