ARcore augmented images how-to / beginners guide?

Development Platform & Builds XR Development
17

1_31T5wzW0_4CRRtU4mE7TKQ.jpg
1_31T5wzW0_4CRRtU4mE7TKQ.jpg4000×1234 379 KB

can anyone tell me what is the name of the node in the red circle , trying learning AR image tracking from zero here