Using meta classes and meta classes, it is possible for end-users to extend the meta data of catalog items and order forms.
Meta fields are for adding specific data about an item. For instance, if you create a meta class called "Digital Cameras," you will want to add meta fields that are specific details related to digital cameras (such as number of megapixels, focal length, red-eye reduction support, etc.).
h3. Adding Meta Fields to a Meta Class
1. Go to *Administration > Catalog System > Meta Fields*
2. Click on *New Meta Field* to create a new meta field
!new_meta_fieldv2.png|border=1!
3. The Meta Field Edit page appears. There is a wide variety of parameters you can set for the meta field depending on the type you select.
|| Field \\ || Description \\ ||
| *Name* \\ | Enter in a system name without spaces or special characters (e.g. "NumberMegapixels," without the quotes) \\ |
| *Friendly Name* \\ | Enter in a user-friendly name seen by end-users on the back and front-end (e.g. "Number of Megapixels," without the quotes) \\ |
| *Description* \\ | Enter in any additional information about the meta field \\ |
| *Type* \\ | The drop-down menu shows the field types you can use for the meta field. The types available are: \\
\\
\- datetime \\
\- decimal \\
\- float \\
\- money \\
\- Integer \\
\- Boolean \\
\- Date \\
\- Email \\
\- URL \\
\- Short String \\
\- Long String \\
\- Long Html String \\
\- String Dictionary \\
\- File \\
\- Image File \\
\- Dictionary \\ |
| *Search Properties* | Depending on the data field type selected, you may have the option to set the search properties of the data field. The options are: \\
\\
\- Allow search (Determines whether the field is searchable after a search query) \\
\- Store the value (Specifies whether the actual value of the field needs to be stored in the search index or it can be discarded after it is indexed) \\
\- Indexing option ([tokenized or non-tokenized|http://wiki.apache.org/lucene-java/LuceneFAQ#What_is_the_different_between_Stored.2C_Tokenized.2C_Indexed.2C_and_Vector.3F]) |
h3. Adding Meta Field to a Catalog Meta Class
1. Go to *Administration > Catalog System > Meta Classes* or *Administration > Order System > Meta Classes*
2. The meta field you created will appear in the list of meta fields. Select a meta class, checkmark the meta field you want to add to the meta class, and then click *OK*.
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