This can be controlled in the plugin settings. You can print either upon payment events, or upon order status events (these things can overlap, of course – you most likely won’t want to print upon both; the screenshot below is only illustrative):
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This can be controlled in the plugin settings. You can print either upon payment events, or upon order status events (these things can overlap, of course – you most likely won’t want to print upon both; the screenshot below is only illustrative):