first commit

dzVents/examples/check battery levels.lua

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+local BATTERY_THRESHOLD = 10
+
+return {
+	active = true,
+	on = {
+		['timer'] = {
+			'every hour'
+		}
+	},
+	execute = function(domoticz)
+
+		local message = ''
+
+		-- first filter on low battery level
+		local lowOnBat = domoticz.devices().filter(function(device)
+
+			local level = device.batteryLevel -- level is 0-100
+			return (level ~= nil and -- not all devices have this attribute
+					level <= BATTERY_THRESHOLD)
+
+		end)
+
+		-- then loop over the results
+		lowOnBat.forEach(function(lowDevice)
+
+			message = message .. 'Device ' ..
+				lowDevice.name .. ' is low on batteries (' .. tostring(lowDevice.batteryLevel) .. '), '
+
+		end)
+
+		if (message ~= '') then
+			domoticz.notify('Low battery warning', message, domoticz.PRIORITY_NORMAL)
+			domoticz.log('Low battery warning: ' .. message, domoticz.LOG_ERROR)
+		end
+	end
+}
+