i have a paragraph field and initailly i want to show only first 255 characters, i want to add a button like show more/ show less
Discussion posts and replies are publicly visible
you can achieve this by using left() function, first define the number of characters you want to show in the paragraph field at first e.g. left(text, 40) and add a "More" richtextItem where you can put the dynamic link and change the value of maximum numbers of characters you want to show.