- *Get there:* Serials > Add subscription fields
To add custom fields simply click the 'Add subscription fields' link on
-the left of the Serial page and choose the 'New field' button
+the left of the Serial page and choose the 'New fields' button
|image1271|
The form that appears will ask for either an authorized value or a MARC
field to populate the field with
+- Name: enter the name of the field
+
+- Authorized value category: you can use :ref:`authorized values <authorized-values-label>`
+ to fill in this field.
+
+- MARC field: enter a MARC field that will be used to fill in this new
+ field
+
+ **Note**
+
+ You can only choose one of the two options.
+
+ If you choose the authorized value option, you will be able to
+ fill in the new field upon the :ref:`creation <add-a-subscription-label>`
+ or :ref:`modification <edit-subscription-label>` of the subscription.
+
+ If you choose the MARC option, the field will be automatically
+ populated with the corresponding record's value for this MARC
+ field.
+
+ **Important**
+
+ If you choose the MARC field, make sure you enter it in this
+ format: field$subfield
+
+ For example: 515$a
+
+- Searchable: check this box if you want to be able to search your
+ subscriptions using this field
+
|image1272|
-For example you might want to track which department you're ordering for
-or the collection code for this serial
+**Example 1:** Additional field using :ref:`authorized values <authorized-values-label>`
+You might want to track which department you're ordering this serial for
+
+- In the 'Name' field, enter 'Department'
+
+- In the 'Authorized value category' field, choose DEPARTMENT
+
+- Check the 'Searchable' box
+
|image1273|
-This data will then show when you are adding a subscription
+When you are adding a subscription, the field will be in the 'Additional
+fields' section with its authorized values drop-down menu.
|image1274|
-and when you view the subscription
+When you view the subscription, the field will appear under 'Additional
+fields'.
|image1275|
-and when you search subscriptions (if you chose to make it
-'searchable')
+Because we made the field searchable, it will also be in the serials
+subscription search.
|image1276|
+**Example 2:** Additional field using MARC field
+
+This is particularly useful if you want to view bibliographic
+information in the subscription detail page. In this example, we will
+add the 521$a field, which is, in MARC21, the target audience note.
+
+- In the 'Name' field, enter 'Target audience'
+
+- In the 'MARC field' field, enter '521$a'
+
+|image1379|
+
+ **Note**
+
+ You will not be able to edit this field from the subscription
+ form. If you need to add or change the value in this field,
+ you must go through the :ref:`cataloging module <cataloging-label>`.
+
+When you view the subscription, the field and the information from the
+bibliographic record will appear under 'Additional fields'.
+
+|image1380|
+
.. _add-a-subscription-label:
Add a subscription