If you have already created your block, go to: "
TP Admin > Panels & Blocks > SELECT A PANEL AREA >
Blocks" and edit the block you wish to add to an article. In the Block settings, look for "
Choose where the block should appear" option, and select the article you wish for it to appear in from the list of available Articles.

Note: Be sure to check the settings in your Article under the
Viewing options: and check the Panel that contains the Block that you want to show in your Article.

If you have not created your block yet, please read: "
How Do I Create A Block?"
Doc Written By: XarcellDoc Updated 10/14/2015 By: IlloriAdditional Updates 11/05/2015 By: Ken.