This tool is designed for quickly selecting a feature and then insert new vertices into the existing geometry. The Insert tool remains active for adding new vertices into a selected feature until another tool is activated.
Tap / Left click: selects feature on the map at the tapped location for vertex editing mode then you can insert new vertices among two vertices in the selected geometry
•In case of line or polyline adds new vertices into the existing geometry
•In case of polygon adds new vertices into the existing geometry
Inserting new vertex
The multipoint geometry can also be created with the New part tool and you can also convert an existing point feature to multipoint
The feature will be immediately in vertex editing mode if you pre-selected it with the Identify command prior to activating the Insert tool