# General Slicer
## Content
You can create a general slicer with the [GeneralSlicerData](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData) class. A general slicer is used to process data for a two-dimensional array and provides properties and methods that you can use to filter the data and get the filtered result. You can attach multiple slicers to a general slicer. Each slicer can filter one column of data. After the filter is complete, the other slicers are notified by the [GeneralSlicerData](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData) class. The slicers then can get the filtered result from **GeneralSlicerData** and update their UI.
> **Note:** To work with general slicers in a SpreadJS worksheet, you need to reference the `gc.spread.sheets.all.js` plugin.
The slicer works with the [GeneralSlicerData](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData) class based on the following steps:
1. Create a new **GeneralSlicerData** with your data.
2. Create a new custom slicer and attach it to **GeneralSlicerData**.
3. Get the column data from **GeneralSlicerData** and build the slicer UI.
4. Respond to the UI events and invoke the GeneralSlicerData [doFilter](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData#doFilter) method.
5. Get the filtered result from **GeneralSlicerData** and update the slicer UI.
The GeneralSlicerData class provides the following methods to help control general slicers.
* Get all the data for a specific column with the [getData](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData#getData) method.
* Get exclusive (non-repeating data) with the [getExclusiveData](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData#getExclusiveData) method.
* Filter a column with the [doFilter](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData#doFilter) method.
* Clear the filter information with the [doUnfilter](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData#doUnfilter) method.
For a complete list of methods, see the [GeneralSlicerData](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData) class.
You can attach a listener to **GeneralSlicerData** with the [attachListener](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData#attachListener) function and detach it with the [detachListener](/spreadjs/api/v16/classes/GC.Spread.Slicers.GeneralSlicerData#detachListener) function.
The following image displays a custom slicer.
The following code sample creates a general slicer.
```JavaScript
```
> **Note:** To upgrade to the new slicers, see [Breaking Changes](/spreadjs/docs/v16/rnotes/release-notes-for-version-1520).