Lists the active command.
Sets the type of keypoint you can select. The available keypoint options are specific to the command and workflow you use.
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                         Sets the any keypoint option.  | 
                     
                  
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                         Sets the end point option.  | 
                     
                  
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                         Sets the midpoint option.  | 
                     
                  
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                         Sets the center point option. You can select the center point of an arc or circle.  | 
                     
                  
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                         Sets the tangency point option. You can select a tangent point on an analytic curved face such as a cylinder, sphere, torus, or cone.  | 
                     
                  
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                         Sets the silhouette point option.  | 
                     
                  
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                         Sets the edit point on a curve option.  |