This first tab allows you to add one K2 item to your email
Content to insert: select the post/page/article you want to insert. You can filter them on their title. You can also filter posts and articles on their category.
Display: you can choose which parts of the content to insert in the newsletter between title, content, category and read more.
Display pictures: choose whether to display the pictures. You can automatically resize them to a specific size.
Clickable title: you can choose to add a link to the real content on its title.
Truncate the text: you can choose to limit the number of characters from the article that will be displayed.
This tab allows you to add items by categories and generate automatic campaign if new items are published.
First options: see "One by one".
Order by: By default, content are sorted by ID descending to show the most recent ones first.
Columns: You can insert for example 2 contents per row in your email.
Max. number of elements: This is the maximum number of content inserted in your email.
This part of the tab is for the automatic campaign sending type, it allows you to generate the email only if new items are created from the last time the campaign generated an email.
For exemple in this screen shot if the trigger of the automatic campaign is every Monday:
first Monday the campaign generate an email
you only create one k2 item in one week
the second Monday the campaign don't generate an email