how to create motion trial in maya?

Creating a motion trail in Maya can be done in a few steps:

1. Open your project in Maya.
2. Select the object for which you want to create a motion trail.
3. Go to the "Animate" menu, then select "Create Motion Trail" from the drop-down menu.
4. In the "Create Motion Trail" options box, you can adjust the settings according to your needs. For example, you can set the start and end frames for the motion trail, and choose whether to display the trail in the viewport.
5. Click "Create" to create the motion trail. You should now see a line in the viewport representing the motion of the selected object.
6. You can edit the motion trail by selecting it and using the control vertices. You can also animate the motion trail by setting keyframes on it.
7. To delete the motion trail, select it and press the "Delete" key.

Remember to save your project regularly to avoid losing any progress.