Schema Premium has support for schema.org Article type that allows you to add schema markups to pages of your site.
Follow these steps to add the new markup type
1- Create a new Schema markup
The very first step is to go to Schema > Types, and click on the Add New button.
2- Select schema.org Article
The next screen will open the quick schema,org creation wizard. Select the schema.org Article type from the drop down list.
When you are done selecting; Schema Premium will confirm the creation of the new schema.org type, and you will have the choice to go through next steps, which is configuring the schema.org types you’ve selected.
3- Configure schema.org Article
3-A- Article Type
In the Schema Type section; select schema:Article subtype from the drop down list. Supported subtypes are:
- Advertiser Content Article
- News Article
- Satirical Article
- Scholarly Article
- Tech Article
Create a set of rules to determine the target of this schema.org type. Most likely you will want to configure this option to enable schema.org type on Post Type > Pages.
3-C- Article Properties
Optionally; this section allows you to configure schema:Article properties.
4- Update Schema
Click on the Update button to update schema.org type.
5- Test Structured Data
Test your schema.org markup in Google’s Structured Data Testing Tool to make sure it’s valid. You can test your markup with a simple click.
Here is an article explains how you can test your schema.