[Home](./index.md) > [@datashaper/schema](./schema.md) > [Criterion](./schema.criterion.md) ## Criterion interface Signature: ```typescript export interface Criterion ``` ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [operator](./schema.criterion.operator.md) | | [NumericComparisonOperator](./schema.numericcomparisonoperator.md) \| [StringComparisonOperator](./schema.stringcomparisonoperator.md) \| [BooleanComparisonOperator](./schema.booleancomparisonoperator.md) \| [DateComparisonOperator](./schema.datecomparisonoperator.md) | Filter operator to execute. Note the correct operator for the column data type must be used. | | [type](./schema.criterion.type.md) | | [FilterCompareType](./schema.filtercomparetype.md) | Indicates whether the filter should be directly against a value, or against the value of another column | | [value?](./schema.criterion.value.md) | | [Value](./schema.value.md) | (Optional) Comparison value for the column. Not required if the operator is self-defining (e.g., 'is empty') |