Are you talking about this add-in?
https://ekinssolutions.com/pointatcoordinate/
To use it follow the steps below:
- Extract the zip to any location on your computer. This will create the PointAtCoord folder.
- Run the "Scripts and Add-Ins" command in Fusion.
- Click the "Add-Ins" tab in the "Scripts and Add-Ins" dialog.
- Click the green "+" next to the top folder in the list of add-ins.
- Browse to the location where you unzipped the folder and choose the PointAtCoord folder and click the "Select Folder" button.
- Restart Fusion or find PointAtCoord in the list of loaded add-ins, select it, and click the "Run" button.
- Now, in the CONSTRUCT panel, you should be the "Point at Coordinate" command, as shown below.

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Brian EkinsInventor and Fusion 360 API Expert
Website/Blog:
https://EkinsSolutions.com