To Make the Vertex Normal Consistent with the Vertex Order

Select the Change Mesh Normal tool ( Modeling > Mesh > Modify Meshes ).

Select the option Make stored normal at vertices consistent with vertex order.

Click the extended tool settings arrow and in the Display drop-down select All.

Select the mesh element.

The mesh highlights, with graphics displaying the vertex order and vertex normals of each facet.

Select the Change Normals button in the tool settings window.

Enter a data point.