diff --git a/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/deviceattributes.js b/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/deviceattributes.js
index 62764d3db9..739d84dee5 100644
--- a/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/deviceattributes.js
+++ b/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/deviceattributes.js
@@ -45,23 +45,52 @@ export default {
     itemTypes: ['Dimmer', 'Rollershutter'],
     parameters: (item) => [
       p.inverted(item.type === 'Rollershutter'),
-      p.presets(item.stateDescription, '20=Morning,60=Afternoon,80=Evening:@Setting.Night', true),
-      p.language(item.settings && item.settings.regional.language)
+      p.presets(item.stateDescription, '20=Morning,60=Afternoon,80=Evening:@Setting.Night'),
+      p.language(item.settings && item.settings.regional.language),
+      p.actionMappings(
+        { default: 'value' },
+        'Close=0,Open=100,Lower=0,Raise=100',
+        (config) => {
+          if (item.type === 'Dimmer') {
+            return config.inverted === true
+              ? ['Close=100', 'Open=0', 'Lower=100', 'Raise=0']
+              : ['Close=0', 'Open=100', 'Lower=0', 'Raise=100']
+          }
+          if (item.type === 'Rollershutter') {
+            return ['Close=DOWN', 'Open=UP', 'Lower=DOWN', 'Raise=UP', 'Stop=STOP']
+          }
+        }
+      )
     ]
   },
   TiltAngle: {
     itemTypes: ['Dimmer', 'Number', 'Number:Angle', 'Rollershutter'],
     parameters: (item) => [
       p.inverted(item.type === 'Rollershutter'),
-      p.presets(item.stateDescription, '20=Morning,60=Afternoon,80=Evening:@Setting.Night', true),
-      p.language(item.settings && item.settings.regional.language)
+      p.presets(item.stateDescription, '20=Morning,60=Afternoon,80=Evening:@Setting.Night'),
+      p.language(item.settings && item.settings.regional.language),
+      p.actionMappings(
+        { default: 'value' },
+        'Close=0,Open=100',
+        (config) => {
+          if (item.type === 'Dimmer') {
+            return config.inverted === true ? ['Close=100', 'Open=0'] : ['Close=0', 'Open=100']
+          }
+          if (item.type === 'Number' || item.type === 'Number:Angle') {
+            return config.inverted === true ? ['Close=90', 'Open=0'] : ['Close=-90', 'Open=0']
+          }
+          if (item.type === 'Rollershutter') {
+            return ['Close=DOWN', 'Open=UP', 'Stop=STOP']
+          }
+        }
+      )
     ]
   },
 
   // Entertainment Attributes
   Channel: {
     itemTypes: ['Number', 'String'],
-    parameters: () => [p.channelMappings(), p.retrievable()]
+    parameters: (item) => [p.channelMappings(item.stateDescription), p.channelRange(), p.retrievable()]
   },
   Input: {
     itemTypes: ['Number', 'String'],
diff --git a/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/devicetypes.js b/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/devicetypes.js
index bfb1bf39e9..13e08f63de 100644
--- a/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/devicetypes.js
+++ b/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/devicetypes.js
@@ -79,8 +79,8 @@ export default {
     supportsGroup: false
   },
   AirConditioner: {
-    defaultAttributes: ['HeatingCoolingMode'],
-    supportedAttributes: ['HeatingCoolingMode', 'TargetTemperature', 'CurrentTemperature', ...fanAttributes]
+    defaultAttributes: ['PowerState'],
+    supportedAttributes: ['PowerState', 'TargetTemperature', 'CurrentTemperature', ...fanAttributes]
   },
   AirFreshener: {
     defaultAttributes: ['FanSpeed'],
@@ -96,6 +96,7 @@ export default {
       'FanSpeed',
       'LockState',
       'PowerState',
+      'TargetTemperature',
       'CurrentTemperature',
       ...genericAttributes
     ]
diff --git a/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/parameters.js b/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/parameters.js
index 381c0ff7bf..0a4f8582a9 100644
--- a/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/parameters.js
+++ b/bundles/org.openhab.ui/web/src/assets/definitions/metadata/alexa/parameters.js
@@ -18,13 +18,15 @@ import {
 } from './helpers.js'
 
 export default {
-  actionMappings: (format, placeholder) => ({
+  actionMappings: (format, placeholder, defaultValue) => ({
     name: 'actionMappings',
     label: 'Action Mappings',
     description: `Each mapping formatted as ${getSemanticFormat('action', format)} (${docLink('Semantic Extensions')})`,
     type: 'TEXT',
+    default: defaultValue,
     placeholder: placeholder.replace(/,/g, '\n'),
-    multiple: true
+    multiple: true,
+    advanced: !!defaultValue
   }),
   capabilityNames: (defaultValue, placeholder) => ({
     name: 'capabilityNames',
@@ -36,14 +38,29 @@ export default {
     multiple: true,
     required: !defaultValue
   }),
-  channelMappings: () => ({
+  channelMappings: (stateDescription) => ({
     name: 'channelMappings',
     label: 'Channel Mappings',
-    description: 'Each mapping formatted as <code>channelName=channelNumber<code>',
+    description: 'Each mapping formatted as <code>channelNumber=channelName<code>',
     type: 'TEXT',
-    placeholder: 'CBS=2\nNBC=4\nABC=7\nPBS=13',
+    default:
+      stateDescription &&
+      stateDescription.options &&
+      stateDescription.options
+        .filter((option) => !isNaN(option.value))
+        .map((option) => `${option.value}=${option.label}`),
+    placeholder: '2=CBS\n4=NBC\n7=ABC\n13=PBS',
     multiple: true
   }),
+  channelRange: () => ({
+    name: 'range',
+    label: 'Channel Range',
+    description: 'Formatted as <code>minValue:maxValue</code>',
+    type: 'TEXT',
+    default: '1:9999',
+    pattern: '[0-9]+:[0-9]+',
+    advanced: true
+  }),
   colorTemperatureBinding: () => ({
     name: 'binding',
     label: 'Binding/Device Type',
@@ -69,7 +86,7 @@ export default {
   colorTemperatureRange: () => ({
     name: 'range',
     label: 'Temperature Range in Kelvin',
-    description: 'Formatted as <code>minRange:maxRange</code>',
+    description: 'Formatted as <code>minValue:maxValue</code>',
     type: 'TEXT',
     default: '1000:10000',
     pattern: '[0-9]+:[0-9]+',
@@ -122,7 +139,7 @@ export default {
   equalizerRange: (defaultValue) => ({
     name: 'range',
     label: 'Equalizer Range',
-    description: 'Formatted as <code>minRange:maxRange</code>',
+    description: 'Formatted as <code>minValue:maxValue</code>',
     type: 'TEXT',
     default: defaultValue,
     pattern: '[+-]?[0-9]+:[+-]?[0-9]+'
@@ -196,7 +213,7 @@ export default {
     multiple: true,
     advanced: true
   }),
-  presets: (stateDescription, placeholder, advanced = false) => ({
+  presets: (stateDescription, placeholder) => ({
     name: 'presets',
     label: 'Presets',
     description:
@@ -210,8 +227,7 @@ export default {
         .filter((option) => !isNaN(option.value))
         .map((option) => `${option.value}=${option.label}`),
     placeholder: placeholder.replace(/,/g, '\n'),
-    multiple: true,
-    advanced
+    multiple: true
   }),
   primaryControl: () => ({
     name: 'primaryControl',
@@ -257,7 +273,7 @@ export default {
   setpointRange: (item) => ({
     name: 'setpointRange',
     label: 'Setpoint Range',
-    description: 'Formatted as <code>minRange:maxRange</code>',
+    description: 'Formatted as <code>minValue:maxValue</code>',
     type: 'TEXT',
     default: (config) => {
       const scale = config.scale || getGroupParameter('scale', item.groups) || getTemperatureScale(item)