# Filtering
## Generics
`` represents the object's shape coming from the data source.
`` represents the column data type: `string`, `number`, `Date`, or `boolean`.
`` represents the filter values.
## DikeFilter
```typescript
interface DikeFilter {
logicalOperator: LogicalOperator,
condition: string,
}
```
## DikeTextFilter
```typescript
interface DikeTextFilter extends DikeFilter {
value?: string
}
```
## DikeTextCaseFilter
```typescript
interface DikeTextCaseFilter extends DikeTextFilter {
caseSensitive: boolean
}
```
## DikeNumericFilter
```typescript
interface DikeNumericFilter extends DikeFilter {
value1?: number,
value2?: number
}
```
## DikeDateFilter
```typescript
interface DikeDateFilter extends DikeFilter {
value1?: Date,
value2?: Date
}
```
## DikeBinaryFilter
```typescript
interface DikeBinaryFilter extends DikeFilter {
value?: string
}
```
## DikeFilterable\
```typescript
interface DikeFilterable {
columnId: string,
dataType: DikeColumnDataType,
fieldName: string,
headerText: string,
caseSensitive?: boolean,
filter?: DikeFilter[],
customFilterConditions?: CustomFilterConditionInstance
}
```
## Condition\
```typescript
interface Condition {
text: string,
value: string,
eval: (entry: T, dataColumnDef?: DikeDataColumnDef, values?: V) => boolean;
}
```
## DikeSelectionModel
```typescript
interface DikeSelectionModel {
label: string,
selected?: boolean
}
```
## DikeBinarySelectionModel
```typescript
interface DikeBinarySelectionModel extends DikeSelectionModel {
value: string
}
```
## DikeNumericSelectionModel
```typescript
interface DikeNumericSelectionModel extends DikeSelectionModel {
value: number
}
```
## DikeTextSelectionModel
```typescript
interface DikeTextSelectionModel extends DikeSelectionModel {
value: string
}
```