diff --git a/src/commands/file/create.ts b/src/commands/file/create.ts
index 86b22ef..de32c99 100644
--- a/src/commands/file/create.ts
+++ b/src/commands/file/create.ts
@@ -4,10 +4,10 @@ import { getApiClient } from "../../api.js";
 
 export const fileCreateDefinition = {
   name: "create",
-  description: "Create a file in a storage.",
+  description: "Create or update a file in a function.",
   options: [
-    { name: "--storage-id <id>", description: "Storage ID", required: true },
-    { name: "--path <path>", description: "Remote file path", required: true },
+    { name: "--function-id <id>", description: "Function ID", required: true },
+    { name: "--filename <name>", description: "Remote filename", required: true },
     { name: "--content <content>", description: "Inline file content" },
     { name: "--source <source>", description: "Local source file path" },
   ],
@@ -34,16 +34,16 @@ export const fileCreateDefinition = {
 
     const client = await getApiClient();
     const payload = {
-      path: options.path,
-      content,
+      filename: options.filename,
+      code: content,
     };
 
     try {
-      const response = await client.post(`/api/storage/${options.storageId}/files`, payload);
+      const response = await client.put(`/api/function/${options.functionId}/file`, payload);
 
       if (response.status === 200 || response.status === 201) {
         console.log(
-          `${chalk.green("✓")} File ${chalk.cyan(options.path)} created successfully in storage ${chalk.cyan(options.storageId)}.`,
+          `${chalk.green("✓")} File ${chalk.cyan(options.filename)} created/updated successfully in function ${chalk.cyan(options.functionId)}.`,
         );
       } else {
         console.log(`${chalk.yellow("!")} Unexpected response from server: ${response.status}`);
@@ -51,7 +51,7 @@ export const fileCreateDefinition = {
     } catch (error: any) {
       if (error.response) {
         console.error(
-          `${chalk.red("✗")} Failed to create file: ${chalk.yellow(error.response.data?.message || "Unknown error")}`,
+          `${chalk.red("✗")} Failed to create/update file: ${chalk.yellow(error.response.data?.message || "Unknown error")}`,
         );
       } else if (error.request) {
         console.error(`${chalk.red("✗")} No response received from server.`);
diff --git a/src/commands/file/delete.ts b/src/commands/file/delete.ts
index cbb143c..b302551 100644
--- a/src/commands/file/delete.ts
+++ b/src/commands/file/delete.ts
@@ -3,22 +3,20 @@ import { getApiClient } from "../../api.js";
 
 export const fileDeleteDefinition = {
   name: "delete",
-  description: "Delete a file from a storage.",
+  description: "Delete a file from a function.",
   options: [
-    { name: "--storage-id <id>", description: "Storage ID", required: true },
-    { name: "--path <path>", description: "Remote file path", required: true },
+    { name: "--function-id <id>", description: "Function ID", required: true },
+    { name: "--file-id <id>", description: "File ID (from 'file list')", required: true },
   ],
   action: async (options: any) => {
     const client = await getApiClient();
 
     try {
-      const response = await client.delete(`/api/storage/${options.storageId}/files`, {
-        data: { path: options.path },
-      });
+      const response = await client.delete(`/api/function/${options.functionId}/file/${options.fileId}`);
 
       if (response.status === 200) {
         console.log(
-          `${chalk.green("✓")} File ${chalk.cyan(options.path)} deleted from storage ${chalk.cyan(options.storageId)}.`,
+          `${chalk.green("✓")} File ${chalk.cyan(options.fileId)} deleted from function ${chalk.cyan(options.functionId)}.`,
         );
       } else {
         console.log(`${chalk.yellow("!")} Unexpected response from server: ${response.status}`);
@@ -26,7 +24,7 @@ export const fileDeleteDefinition = {
     } catch (error: any) {
       if (error.response) {
         if (error.response.status === 404) {
-          console.error(`${chalk.red("✗")} File ${chalk.yellow(options.path)} not found.`);
+          console.error(`${chalk.red("✗")} File or Function not found.`);
         } else {
           console.error(
             `${chalk.red("✗")} Failed to delete file: ${chalk.yellow(error.response.data?.message || "Unknown error")}`,
diff --git a/src/commands/file/list.ts b/src/commands/file/list.ts
index 3172c6b..2a9bb77 100644
--- a/src/commands/file/list.ts
+++ b/src/commands/file/list.ts
@@ -3,18 +3,15 @@ import { getApiClient } from "../../api.js";
 
 export const fileListDefinition = {
   name: "list",
-  description: "List files in a storage.",
+  description: "List files in a function.",
   options: [
-    { name: "--storage-id <id>", description: "Storage ID", required: true },
-    { name: "--prefix <prefix>", description: "Optional path prefix filter" },
+    { name: "--function-id <id>", description: "Function ID", required: true },
   ],
   action: async (options: any) => {
     const client = await getApiClient();
 
     try {
-      const response = await client.get(`/api/storage/${options.storageId}/files`, {
-        params: options.prefix ? { prefix: options.prefix } : undefined,
-      });
+      const response = await client.get(`/api/function/${options.functionId}/files`);
 
       if (response.status === 200 && response.data.data) {
         const files = response.data.data;
@@ -25,9 +22,9 @@ export const fileListDefinition = {
         }
 
         console.log(chalk.blue("Files:"));
+        console.log(chalk.gray(`${"ID".padEnd(25)} ${"Filename"}`));
         files.forEach((file: any) => {
-          const path = file.path || file.name || "(unknown)";
-          console.log(`- ${chalk.cyan(path)}`);
+          console.log(`${chalk.cyan(file.id.padEnd(25))} ${chalk.white(file.filename)}`);
         });
         console.log(`\n${chalk.green("✓")} Found ${chalk.bgGreen.black(` ${files.length} `)} files.`);
       } else {
diff --git a/src/commands/file/overwrite.ts b/src/commands/file/overwrite.ts
deleted file mode 100644
index cb1513a..0000000
--- a/src/commands/file/overwrite.ts
+++ /dev/null
@@ -1,67 +0,0 @@
-import chalk from "chalk";
-import fs from "fs/promises";
-import { getApiClient } from "../../api.js";
-
-export const fileOverwriteDefinition = {
-  name: "overwrite",
-  description: "Overwrite an existing file in a storage.",
-  options: [
-    { name: "--storage-id <id>", description: "Storage ID", required: true },
-    { name: "--path <path>", description: "Remote file path", required: true },
-    { name: "--content <content>", description: "Inline file content" },
-    { name: "--source <source>", description: "Local source file path" },
-  ],
-  action: async (options: any) => {
-    if (!options.content && !options.source) {
-      console.error(`${chalk.red("✗")} You must provide either --content or --source.`);
-      return;
-    }
-
-    if (options.content && options.source) {
-      console.error(`${chalk.red("✗")} Please provide only one of --content or --source.`);
-      return;
-    }
-
-    let content = options.content;
-    if (options.source) {
-      try {
-        content = await fs.readFile(options.source, "utf8");
-      } catch (error: any) {
-        console.error(`${chalk.red("✗")} Failed to read source file: ${chalk.yellow(error.message)}`);
-        return;
-      }
-    }
-
-    const client = await getApiClient();
-    const payload = {
-      path: options.path,
-      content,
-    };
-
-    try {
-      const response = await client.put(`/api/storage/${options.storageId}/files`, payload);
-
-      if (response.status === 200) {
-        console.log(
-          `${chalk.green("✓")} File ${chalk.cyan(options.path)} overwritten successfully in storage ${chalk.cyan(options.storageId)}.`,
-        );
-      } else {
-        console.log(`${chalk.yellow("!")} Unexpected response from server: ${response.status}`);
-      }
-    } catch (error: any) {
-      if (error.response) {
-        if (error.response.status === 404) {
-          console.error(`${chalk.red("✗")} File ${chalk.yellow(options.path)} not found.`);
-        } else {
-          console.error(
-            `${chalk.red("✗")} Failed to overwrite file: ${chalk.yellow(error.response.data?.message || "Unknown error")}`,
-          );
-        }
-      } else if (error.request) {
-        console.error(`${chalk.red("✗")} No response received from server.`);
-      } else {
-        console.error(`${chalk.red("✗")} Error: ${error.message}`);
-      }
-    }
-  },
-};
diff --git a/src/commands/file/rename.ts b/src/commands/file/rename.ts
new file mode 100644
index 0000000..1bec309
--- /dev/null
+++ b/src/commands/file/rename.ts
@@ -0,0 +1,39 @@
+import chalk from "chalk";
+import { getApiClient } from "../../api.js";
+
+export const fileRenameDefinition = {
+  name: "rename",
+  description: "Rename a file in a function.",
+  options: [
+    { name: "--function-id <id>", description: "Function ID", required: true },
+    { name: "--file-id <id>", description: "File ID", required: true },
+    { name: "--new-filename <name>", description: "New filename", required: true },
+  ],
+  action: async (options: any) => {
+    const client = await getApiClient();
+
+    try {
+      const response = await client.patch(`/api/function/${options.functionId}/file/${options.fileId}/rename`, {
+        newFilename: options.newFilename,
+      });
+
+      if (response.status === 200) {
+        console.log(
+          `${chalk.green("✓")} File ${chalk.cyan(options.fileId)} renamed to ${chalk.cyan(options.newFilename)} successfully.`,
+        );
+      } else {
+        console.log(`${chalk.yellow("!")} Unexpected response from server: ${response.status}`);
+      }
+    } catch (error: any) {
+      if (error.response) {
+        console.error(
+          `${chalk.red("✗")} Failed to rename file: ${chalk.yellow(error.response.data?.message || "Unknown error")}`,
+        );
+      } else if (error.request) {
+        console.error(`${chalk.red("✗")} No response received from server.`);
+      } else {
+        console.error(`${chalk.red("✗")} Error: ${error.message}`);
+      }
+    }
+  },
+};