attachmentBlock(..., src = NULL, title = NULL, title_url = NULL)

if (interactive()) {
 library(shiny)
 library(bs4Dash)
 shinyApp(
  ui = bs4DashPage(
    bs4DashNavbar(),
    bs4DashSidebar(),
    bs4DashControlbar(),
    bs4DashBody(
     bs4Card(
      title = "Attachment example",
      attachmentBlock(
       src = "https://adminlte.io/themes/dev/AdminLTE/dist/img/photo1.png",
       title = "Test",
       title_url = "http://google.com",
       "This is the content"
      )
     )
    ),
    title = "AttachmentBlock"
  ),
  server = function(input, output) { }
 )
}