Returns a single lowercase string identifying the concrete type of an
element object. Useful for dispatching on type or for filtering the output
of get_elements().
Value
A single character string: one of "text", "image", "chart",
"table", "shape", or "unknown" (the last for the base element
class when no known key is present in the raw API node).
Examples
if (FALSE) {
ps <- register_presentation(id = "YOUR_PRESENTATION_ID", set_active = FALSE)
slide_obj <- on_slide_number(1, ps)
els <- get_all_elements(slide_obj)
purrr::map_chr(els, element_type)
}