# Add New Classifier
After adding a Classifier Module, you can add a new Classifier by clicking the **'Edit Module Classifier'** button, as shown in the image below.
In general, a classifier consists of content and labels, which can be entered manually or uploaded via a file. You will then see the classifier table on the (Corpus Material Editor) page, as illustrated in the following image.
Edit Classifier Module
### **Add Manual Classifier**
In 3Dolphins, you can manually add a classifier by entering the Content and Label of the classifier. Click the **'Plus (+)'** button located to the left of the Corpus Material Editor title.
Add Manual Classifier
Edit the content or label by clicking directly on the part you want to modify. (The label is what will appear as the tag.)
Once added, the classifier will be displayed in the category section on the dashboard.
### **Use File Upload**
In addition to adding classifiers manually, you can also add them automatically by uploading a file in .xls or .csv format. For example, if you already have a list of classifiers stored in an Excel file, you can use the Upload File feature to import them. This way, you don’t need to manually retype the content and labels.
In the top-left corner, click the '**+ Choose'** button. A pop-up will appear, allowing you to select a .xls or .csv file from your local storage. Choose the desired file, then click '**Open'**. Once the file is selected, click the '**Upload'** button to save the classifiers. If the process is successful, you will see that the classifier file has been uploaded, as shown in the example below.
Classifiers that have been added either manually or via file upload will automatically appear in the Category section on the user dashboard.
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