How to get the solid version an icon using the <i> tag fa_i( )

[jcoronel25]

This code results in the regular version. Is there another way?

library(shiny)
library(fontawesome)

ui <- fluidPage(
  fa_i("fas fa-eye") #Name of eye icon solid version according to fa_metadata()
)

server <- function(input, output) {}
shinyApp(ui = ui, server = server)