The ID is a unique value to identify each View shortcode, block, or widget.
+ If you are using our shortcode, each View shortcode has this format [pt_view id="12345abcde"]
=> ID of View is 12345abcde
+ If you are using our Block, please edit the block, click Extra tab, you will see the Block ID value.

+ If you are using our Elementor Widget, please hover the widget output in the Editor, you will see the ID at top left of the widget output:

(it is added since Content Views free 4.1)