To add an inline page on the object, you need to follow these steps:

  • Go to the contact object and edit their page layout.
  • Pick the section from the palate and drag it where you want to show the page. Provide the name of your section.
  • Go to the palate and scroll to the Visualforcepages and drag the page DragDropForContactInline drop it on the newly created section.
  • Hit the save button.