diff --git a/public/reearth.yml b/public/reearth.yml
index d2daeae..e4409ce 100644
--- a/public/reearth.yml
+++ b/public/reearth.yml
@@ -46,6 +46,13 @@ extensions:
                 field: data_source_type
                 type: string
                 value: cms_integration_api
+            - id: cms_project_id
+              title: CMS Project ID
+              type: string
+              availableIf:
+                field: data_source_type
+                type: string
+                value: cms_integration_api
             - id: cms_model_id
               title: CMS Model ID
               type: string
@@ -94,14 +101,18 @@ extensions:
                 field: location_type
                 type: string
                 value: geojson_field
-            - id: infobox_fields
-              title: Infobox Fields (comma-separated)
-              type: string
-              ui: multiline
             - id: marker_appearance
               title: Marker Appearance
               type: string
               ui: multiline
+        - id: inspector
+          title: Inspector
+          fields:
+            - id: display_fields
+              title: Display Fields
+              description: "Specify the fields to display in the infobox, separated by commas. Left empty to show all fields."
+              type: string
+              ui: multiline
   - id: inspector_block
     type: infoboxBlock
     name: CMS Data Inspector Block
diff --git a/src/extensions/inspector_block/inspector_block.ts b/src/extensions/inspector_block/inspector_block.ts
index 8466bb5..0ed5e82 100644
--- a/src/extensions/inspector_block/inspector_block.ts
+++ b/src/extensions/inspector_block/inspector_block.ts
@@ -13,7 +13,8 @@ const sendProperties = () => {
   reearth.ui.postMessage({
     action: "getProperties",
     payload:
-      reearth.layers.selectedFeature?.properties?.__original || undefined,
+      reearth.layers.selectedFeature?.properties?.__inspector_fields ||
+      undefined,
   });
 };
 
diff --git a/src/extensions/visualizer/main/hooks.ts b/src/extensions/visualizer/main/hooks.ts
index 86115e0..9061ad4 100644
--- a/src/extensions/visualizer/main/hooks.ts
+++ b/src/extensions/visualizer/main/hooks.ts
@@ -9,6 +9,7 @@ type WidgetProperty = {
     server_api_key?: string;
     integration_api_base_url?: string;
     integration_api_key?: string;
+    cms_project_id?: string;
     cms_model_id?: string;
   };
   appearance: {
@@ -25,6 +26,12 @@ type Schema = {
   type: string;
 }[];
 
+// Sub-collect Asset type
+type Asset = {
+  id: string;
+  url: string;
+};
+
 type Item = {
   id: string;
   fields: Field[];
@@ -91,13 +98,67 @@ export default () => {
         if (
           !widgetProperty.api.integration_api_base_url ||
           !widgetProperty.api.integration_api_key ||
+          !widgetProperty.api.cms_project_id ||
           !widgetProperty.api.cms_model_id
         ) {
           console.warn(
-            "Please set the Integration API Base URL, Integration API Key, and CMS Model ID in the widget properties."
+            "Please set the Integration API Base URL, Integration API Key, CMS Project ID, and CMS Model ID in the widget properties."
           );
           return;
         }
+
+        // Fetch Assets with pagination
+        let assets: Asset[];
+        try {
+          const baseUrl = `${widgetProperty.api.integration_api_base_url}/projects/${widgetProperty.api.cms_project_id}/assets`;
+          const headers = {
+            "Content-Type": "application/json",
+            Authorization: `Bearer ${widgetProperty.api.integration_api_key}`,
+          };
+          // First request to get total count
+          const firstResponse = await fetch(`${baseUrl}?perPage=100&page=1`, {
+            method: "GET",
+            headers,
+          });
+
+          if (!firstResponse.ok) {
+            throw new Error(`HTTP error! status: ${firstResponse.status}`);
+          }
+
+          const firstData = await firstResponse.json();
+          const totalCount = firstData.totalCount;
+          const perPage = 100;
+          const totalPages = Math.ceil(totalCount / perPage);
+
+          assets = firstData.items || [];
+
+          // Fetch remaining pages if there are more
+          if (totalPages > 1) {
+            const pagePromises = [];
+            for (let page = 2; page <= totalPages; page++) {
+              pagePromises.push(
+                fetch(`${baseUrl}?perPage=${perPage}&page=${page}`, {
+                  method: "GET",
+                  headers,
+                })
+              );
+            }
+
+            const responses = await Promise.all(pagePromises);
+
+            for (const response of responses) {
+              if (!response.ok) {
+                throw new Error(`HTTP error! status: ${response.status}`);
+              }
+              const data = await response.json();
+              assets = assets.concat(data.items || []);
+            }
+          }
+          postMsg("setAssets", assets);
+        } catch (error) {
+          console.error("Error fetching assets:", error);
+        }
+
         // Fetch Schema
         let schema: Schema;
         try {
@@ -169,17 +230,31 @@ export default () => {
           }
 
           // append schema's name to each item
+          // replace asset id with asset url in each item
           allItems = allItems.map((item: Item) => ({
             ...item,
             fields: [
               ...item.fields.map((field: Field) => ({
                 ...field,
                 name: schema.find((s) => s.key === field.key)?.name,
+                value:
+                  field.type === "asset" && typeof field.value === "string"
+                    ? assets.find((a) => a.id === field.value)?.url ||
+                      field.value
+                    : field.type === "asset" && Array.isArray(field.value)
+                      ? (field.value as string[])
+                          .map(
+                            (assetId) =>
+                              assets.find((a) => a.id === assetId)?.url ||
+                              assetId
+                          )
+                          .reverse()
+                      : field.value,
               })),
             ],
           }));
 
-          console.log("items", allItems);
+          console.log("Debug: items", allItems);
           postMsg("addLayer", allItems);
         } catch (error) {
           console.error("Error fetching data:", error);
diff --git a/src/extensions/visualizer/visualizer.ts b/src/extensions/visualizer/visualizer.ts
index d79fb43..0e1cc0e 100644
--- a/src/extensions/visualizer/visualizer.ts
+++ b/src/extensions/visualizer/visualizer.ts
@@ -12,19 +12,27 @@ type VisualizationConfig = {
   marker_appearance?: string;
 };
 
+type InspectorConfig = {
+  display_fields?: string;
+};
+
 type WidgetProperty = {
   // ignore tha api group
   visualization: VisualizationConfig;
+  inspector: InspectorConfig;
+};
+
+type ItemField = {
+  id: string;
+  key: string;
+  type: string;
+  value: unknown;
+  name?: string;
 };
 
 type Item = {
   id: string;
-  fields: {
-    id: string;
-    key: string;
-    type: string;
-    value: unknown;
-  }[];
+  fields: ItemField[];
 };
 
 type UIMessage =
@@ -119,8 +127,10 @@ const generateGeoJSON = (
   }
 
   // Convert items to GeoJSON features
-  const fields = config.infobox_fields
-    ? config.infobox_fields.split(",").map((f) => f.trim())
+  const inspectorConfig =
+    (reearth.extension?.widget?.property as WidgetProperty)?.inspector || {};
+  const displayFields = inspectorConfig.display_fields
+    ? inspectorConfig.display_fields.split(",").map((f) => f.trim())
     : [];
 
   const features = items
@@ -128,22 +138,13 @@ const generateGeoJSON = (
       // Prepare properties
       const properties: Record<string, any> = {};
 
-      if (fields.length === 0) {
-        // If no infobox fields specified, include all fields
-        item.fields.forEach((field) => {
-          properties[field.key] = field.value;
-        });
-        properties.__original = item.fields;
-      } else {
-        properties.__original = [];
-        fields.forEach((field) => {
-          const fieldObj = item.fields.find((f) => f.key === field);
-          if (fieldObj) {
-            properties[field] = fieldObj.value;
-            properties.__original.push(fieldObj);
-          }
-        });
-      }
+      // Add all fields as properties
+      item.fields.forEach((field) => {
+        properties[field.key] = field.value;
+      });
+
+      // Add filtered fields for inspector
+      properties.__inspector_fields = filterFields(item.fields, displayFields);
 
       // Get location
       const coordinates = [];
@@ -245,3 +246,20 @@ const generateGeoJSON = (
 
   return geoJSON;
 };
+
+const filterFields = (
+  originalFields: ItemField[],
+  displayFieldKeys: string[]
+) => {
+  if (displayFieldKeys.length === 0) {
+    return originalFields;
+  }
+  const filteredFields = [];
+  for (const key of displayFieldKeys) {
+    const field = originalFields.find((f) => f.key === key);
+    if (field) {
+      filteredFields.push(field);
+    }
+  }
+  return filteredFields;
+};