To add an Inline page on the object need to follow the 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 for the Visualforcepages and drag the page DragDropForContactInline drop it on the newly created section.
  • Hit the save button.