# FILTER Command
[GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [Commands](Help%20System/GSTARCAD/2020/Commands/(Commands).md) → [F](Help%20System/GSTARCAD/2020/Commands/F/(F).md)
The FILTER command is used to create a list, objects in it must meet to certain conditions.
Command Access:
> **Command:** FILTER (or 'filter for transparent use)
**Dialog Box Description:**
The Object Selection Filter Dialog Box is displayed.
**Filter Property List:**
Display a list of the filter properties of the current filter. The current filter is the filter selected in Current in the Named Filters area.
**Select Filter:**Add filter properties to the current filter.
> **Object Types and Logical Operators:**List object types that you can filter and logical operators (AND, OR, XOR, and NOT) for grouping the filter expressions.
>
> You have to pair and balance the logical operators correctly in the filter list. The number of operands you can enclose depends on the operation.
>
> > <table>
> > <colgroup><col><col><col>
> > </colgroup><tbody>
> > <tr>
> > <th colspan="3">
> > <p>Logical Operators</p></th>
> > </tr>
> > <tr>
> > <th>
> > <p>Starting Operator</p></th>
> > <th>
> > <p>Encloses</p></th>
> > <th>
> > <p>Ending Operator</p></th>
> > </tr>
> > <tr>
> > <td>
> > <p>Begin AND</p></td>
> > <td>
> > <p>One or more operands</p></td>
> > <td>
> > <p>End AND</p></td>
> > </tr>
> > <tr>
> > <td>
> > <p>Begin OR</p></td>
> > <td>
> > <p>One or more operands</p></td>
> > <td>
> > <p>End OR</p></td>
> > </tr>
> > <tr>
> > <td>
> > <p>Begin XOR</p></td>
> > <td>
> > <p>Two operands</p></td>
> > <td>
> > <p>End XOR</p></td>
> > </tr>
> > <tr>
> > <td>
> > <p>Begin NOT</p></td>
> > <td>
> > <p>One operand</p></td>
> > <td>
> > <p>End NOT</p></td>
> > </tr>
> > </tbody>
> > </table>
>
> **X,Y,Z:**Define additional filter parameters depending on the object. Relative operators such as \< (less than) or \> (greater than) can be used in the filter parameters.
>
> **Select:** Display a Dialog Box listing all items of the specified type in the drawing. Select the items from the list to filter.
>
> **Add to List:**Add the current Select Filter property to the filter list. Filter properties added to the unnamed filter remain available during the current work session unless they are deleted manually.
>
> **Substitute:**Use the property displayed in Select Filter to replace the one selected in the filter property list.
>
> **Add Selected Object:**Add one selected object in the drawing to the filter list.
**Edit Item:** Select a filter property and move it into the Select Filter area to edit. The selected filter property will be replaced by the new edited filter.
**Delete:**Delete a selected filter property from the current filter.
**Clear List:**Delete all the filter properties from the current filter.
**Named Filters:** Display, save, and delete filters.
**Apply:**Exit the Dialog Box. You can create a selection set follow the Select Objects promts. And the current filter is used on the selected objects.
## Other versions with matching text
[GstarCAD 2016](../../../2016/Commands/F/FILTER%20Command--c36fd471153c.md) · [GstarCAD 2017](../../../2017/Commands/F/FILTER%20Command--c36fd471153c.md) · [GstarCAD 2018](../../../2018/Commands/F/FILTER%20Command--c36fd471153c.md) · [GstarCAD 2019](../../../2019/Commands/F/FILTER%20Command--c36fd471153c.md) · [GstarCAD 2021](../../../2021/Commands/F/FILTER%20Command--c36fd471153c.md)