Let’s go one by one:
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The path property should be editable, unless you’re connecting it to other node (image below) then the value will be controlled by that node. You can also click on the folder icon to open file explorer.
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The exporter node has to be trigger manually by clicking on the “execute node” button.
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Also another way to save image is by double click on the node (to preview it) and in the preview panel, right click and select “save current preview as…”
- If you still can’t export, please send me the screenshot of your project so that I can diagnose further, thank you.