# Viewing classifiers

Use this procedure to open the Classifier tab.

## Procedure steps

1. From the navigation tree, double-click QoS.

2. From the QoS tree, double-click QoS Rules.

3. Select the Classifier tab.

## Variable definitions

The following table outlines the parameters of the Classifier tab.

Table 1. QoS Rules Classifier tab parameters
Variable | Value
--- | ---
Name | Specifies the name of the classifier.
SetId | Entries with the same SetId belong to the same classifier.
| Note
| Click heading on this column to list entries in numerical order to view which entries have the same SetId.
Specific | Describes the specific classifier element and its ID number (from the IP Classifier Element screen, the L2 Classifier Element screen, or System Clfr Element screen) that is included in the classifier.
SessionId | Specifies the numerical identification associated with the session.
Storage | Specifies the storage type for this conceptual row. Conceptual rows that have the value permanent need not allow write-access to any column objects in the row. This object may not be modified if the associated status object is equal to active.
Version | Specifies the version.

This section contains information about the following topics:

- Adding classifiers

- Deleting classifiers

- Filtering classifiers