T1eCommerce comes preloaded with most attributes needed for many products, however you can add your own attributes, as follows:

Select Catalog -> Attributes -> Manage Attributes

In the top right, click on "Add New Attribute"

You will see the following options:

• Attribute Identifier: This is the name of the attribute used by the system. Spaces can not be used in this field. It must be unique.
• Scope: This determines the store level at which this attribute will save for all products. Global is the best option for most stores.
• Catalog Input Type: This describes what kind of data the attribute will store, and how you, as the admin, will select the attribute when creating a product. For items that have set values, like a list of manufacturers, a drop down is the best option, otherwise textbox is preferred.
• Default Value: You can enter a value that will automatically populate for new products.
• Unique Value: If "yes", the data saved in this attribute has to be unique for each product.
• Values Required: If "yes", you will be required to enter data in this attribute field when saving a product that uses it.
• Input Validation: This decides whether the data entered by the store owner is validated when the product is saved. If validation is set to "Digits", we’ll only be able to enter 0-9 in this field. An error will occur if we try to put letters in the field.
• Apply To: This determines for which Product Types this attribute will display.

• Use in quick/advanced search: If "yes", the data saved in this attribute will be searchable in the front-end in the quick search and advanced search, respectively.
• Comparable on Front-end: If "yes", this attribute will be displayed in a product comparison, so long as at least one product in the Compare List contains a value for this attribute.
• Use in Layered Navigation: If "filterable", this data will be available as a filter in the layered navigation. Filterable (with results) means that only values that are associated to specific products in a given category page will list in the Layered Navigation menu. Filterable (no results) means that all existing values for an attribute will display in the menu, even if using this as a filter will produce no results. There’s one condition to use attributes in layered navigation - the Input Type has to be Dropdown, Multiple Select, or Price.
• Position: This determines the position of this attribute in the Layered Nav menu.
• Visible on Catalog Pages on Front-end: If "no", this attribute will not be displayed in the product info page. The "visibility" only controls whether or not the attribute displays in the front-end. Keep in mind - if you set an attribute to "Visible: No", and leave it as "Comparable: Yes", this attribute will still show up in comparison charts.