armorpaint/paint/assets/export_presets/unity.json

{
	"textures": [
		{ "name": "base", "channels": ["base_r", "base_g", "base_b", "1.0"], "color_space": "linear" },
		{ "name": "nor", "channels": ["nor_r", "nor_g", "nor_b", "1.0"], "color_space": "linear" },
		{ "name": "mos", "channels": ["metal", "occ", "1.0", "smooth"], "color_space": "linear" },
		{ "name": "height", "channels": ["0.0", "height", "0.0", "1.0"], "color_space": "linear" }
	]
}