## FilterValueCollection class

Represents the multiple filter collection.

```javascript
class FilterValueCollection implements Iterable<FilterValue>;
```


## Properties

| Property | Type | Description |
| --- | --- | --- |
| [matchBlank](#matchBlank--)| boolean | Indicates whether to filter by blank. |

## Methods

| Method | Description |
| --- | --- |
| [get(number)](#get-number-)| Gets [FilterValue](../filtervalue/) by index. |
| [getMatchBlank()](#getMatchBlank--)| <b>@deprecated.</b> Please use the 'matchBlank' property instead. Indicates whether to filter by blank. |
| [setMatchBlank(boolean)](#setMatchBlank-boolean-)| <b>@deprecated.</b> Please use the 'matchBlank' property instead. Indicates whether to filter by blank. |
| [add(string)](#add-string-)| Adds a label filter criteria. |
| [add(DateTimeGroupingType, number, number, number)](#add-datetimegroupingtype-number-number-number-)| Adds a date filter criteria value. |
| [add(DateTimeGroupingType, number, number, number, number, number, number)](#add-datetimegroupingtype-number-number-number-number-number-number-)| Adds a date time filter criteria value. |
| [getCount()](#getCount--)| <b>@deprecated.</b> Please use the 'count' property instead. Gets the number of elements contained in. |
| [isNull()](#isNull--)| Checks whether the implementation object is null. |

## \[Symbol.iterator\](): Iterator\<FilterValue\>

Returns an iterator over the items in the collection. Enables use of `for...of`, spread syntax, and `Array.from()`.



### matchBlank {#matchBlank--}

Indicates whether to filter by blank.

```javascript
matchBlank : boolean;
```


### get(number) {#get-number-}

Gets [FilterValue](../filtervalue/) by index.

```javascript
get(index: number) : FilterValue;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| index | number |  |

**Returns**

[FilterValue](../filtervalue/)

### getMatchBlank() {#getMatchBlank--}

<b>@deprecated.</b> Please use the 'matchBlank' property instead. Indicates whether to filter by blank.

```javascript
getMatchBlank() : boolean;
```


### setMatchBlank(boolean) {#setMatchBlank-boolean-}

<b>@deprecated.</b> Please use the 'matchBlank' property instead. Indicates whether to filter by blank.

```javascript
setMatchBlank(value: boolean) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| value | boolean | The value to set. |

### add(string) {#add-string-}

Adds a label filter criteria.

```javascript
add(filter: string) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| filter | string | The filter data. |

### add(DateTimeGroupingType, number, number, number) {#add-datetimegroupingtype-number-number-number-}

Adds a date filter criteria value.

```javascript
add(type: DateTimeGroupingType, year: number, month: number, day: number) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| type | [DateTimeGroupingType](../datetimegroupingtype/) | The type of date filter. |
| year | number | The year. |
| month | number | The month. |
| day | number | The day. |

### add(DateTimeGroupingType, number, number, number, number, number, number) {#add-datetimegroupingtype-number-number-number-number-number-number-}

Adds a date time filter criteria value.

```javascript
add(type: DateTimeGroupingType, year: number, month: number, day: number, hour: number, minute: number, second: number) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| type | [DateTimeGroupingType](../datetimegroupingtype/) | The type of date filter. |
| year | number | The year. |
| month | number | The month. |
| day | number | The day. |
| hour | number | The hour. |
| minute | number | The minute. |
| second | number | The second. |

### getCount() {#getCount--}

<b>@deprecated.</b> Please use the 'count' property instead. Gets the number of elements contained in.

```javascript
getCount() : number;
```


### isNull() {#isNull--}

Checks whether the implementation object is null.

```javascript
isNull() : boolean;
```