# Ed Operators

`bpy.ops.ed.``redo`()

  Redo previous action

`bpy.ops.ed.``undo`()

  Undo previous action

`bpy.ops.ed.``undo_history`(item=0)

  Redo specific action in history

  Parameters: | item (int in [0, inf], (optional)) – Item

`bpy.ops.ed.``undo_push`(message="Add an undo step *function may be moved*")

  Add an undo state (internal use only)

  Parameters: | message (string, (optional, never None)) – Undo Message