Use sweeped object as an array(3d array) path

Good day all,

I just need to know is there any possiblity to use a sweeped object as a path for 3d Array in autocad? I just sweeped a simple circle by 3d spline which is giving me a 3d pipe running around. What I need is to know how to array another 3d object using this pipe as a path. May be I need to convert my pipe object to any other objects to reach the path and use it in array command. I do not have access to the spline which I used to make a pipe in this case. lets say somebody else gave me the sweeped pipe.

Best wishes.

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