Don’t confuse the name with the Watermark Plugin (link here)

The Watermark Protection component shows the defined text in the defined time-range for the defined duration randomly or defined placed on the display

key type description default
text string display text
color string font-color rgba(255,255,255,0.3)
size number font-size in px 10
interval_min number min duration between showups in ms 250
interval_max number max duration between showups in ms 500
appereance_min number min duration of showup in ms 1
appereance_max number max duration of showup in ms 20
placement_mode string random or fixed random
placement_position [number, number] position for fixed placement [0, 0]