diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 604597e..847c656 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -35,9 +35,8 @@ jobs:
                     ${{ runner.os }}-node-
 
             - run: npm i
+
             - name: semver plugins
-              env:
-                CMC_PRO_API_KEY: ${{secrets.CMC_PRO_API_KEY}}
               run: |
                 npm install '@semantic-release/changelog' \
                     '@semantic-release/exec' \
diff --git a/.gitignore b/.gitignore
index ef0772c..7ae3f74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ node_modules
 build
 .DS_Store
 package-lock.json
+.env
diff --git a/README.md b/README.md
index 900f40b..49dca55 100644
--- a/README.md
+++ b/README.md
@@ -1,15 +1,17 @@
 # Number Pull cryptocurrency prices
 
-Pull crypto prices from **coinmarketcap** in Mac os Apple Numbers 
+Pull crypto prices from **coinmarketcap** in Mac os Apple Numbers
 
 #### Tools used
-- jxa (javascript for automation) 
+- jxa (javascript for automation)
 - Apple Numbers Objective C exposed library
 - [creat-jxa-app](https://github.com/aheissenberger/macos-jxa-bundler/tree/main/packages/create-jxa-app)
 
 ## Usage
 
-- First table in first sheet need to be of the form. 
+- name your sheet : 'pull-crypto-sheet'
+- name table(s): 'pull-crypto-table'
+- The table need to be of the form.
 
 |CMC coin symbol | price  | last refresh |
 |:--------------:|-------:|-------------:|
@@ -24,11 +26,6 @@ In a second part we need to run the jxa script
 - **Or** download the the js script in Github release and use it from **cli** :
 `osascript pull-cryptos-prices.js`
 
-## Roadmap
-
-- [ ] Config in a Numbers table instead of always taking the first
-- [ ] Refacto index.js script with more SRP functions
-
 ## Contribution
 
 #### To debug :
@@ -36,7 +33,7 @@ In a second part we need to run the jxa script
 ```bash
 npm run build && npm run run-script
 ```
-or 
+or
 ```bash
 npm run start &;
 npm run run-script # on each edit
diff --git a/assets/example-crypto-portfolio.numbers b/assets/example-crypto-portfolio.numbers
index bc25696..0d16a3b 100755
Binary files a/assets/example-crypto-portfolio.numbers and b/assets/example-crypto-portfolio.numbers differ
diff --git a/package.json b/package.json
index c6f1eb0..c13b834 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "source": "src/index.js",
   "dependencies": {
     "cjxa-scripts": "0.0.13",
+    "crypto-js": "^4.0.0",
     "jxabundler": "^1.0.12"
   },
   "scripts": {
diff --git a/src/cmcApi.js b/src/cmcApi.js
index 93d3e5a..11a4d73 100644
--- a/src/cmcApi.js
+++ b/src/cmcApi.js
@@ -1,9 +1,9 @@
-import { run, getEnv } from "./utils/shell"
+import { run } from "./utils/shell"
 
 export default {
     url: 'pro-api.coinmarketcap.com',
     headers: {
-      'X-CMC_PRO_API_KEY': getEnv('CMC_PRO_API_KEY')
+      'X-CMC_PRO_API_KEY': '57c7edd3-62c2-4172-9c9e-1ee3130f52b2'
     },
     defaultsParams: {
         convert: 'USD',
@@ -14,7 +14,7 @@ export default {
     createUrl (endpoint, params) {
       let url = `https://${this.url}/${endpoint}?`;
 
-      for (const [key, value] of Object.entries({ ...this.defaultsParams, ...params })) {        
+      for (const [key, value] of Object.entries({ ...this.defaultsParams, ...params })) {
         url += `${key}=${value}&`;
       }
 
@@ -26,9 +26,13 @@ export default {
         .join(' ');
     },
     fetch(url, additionalsHeaders = {}) {
-      return JSON.parse(
-        run(`curl ${this.createHeaders(additionalsHeaders)} -fsL -G '${url}'`)
-      )
+      try {
+        return JSON.parse(
+          run(`curl ${this.createHeaders(additionalsHeaders)} -fsL -G '${url}'`)
+        )
+      } catch(e) {
+        throw new Error('Error while fetching ' + url)
+      }
     },
     getQuotes(symbols) {
       const url = this.createUrl(
@@ -40,4 +44,4 @@ export default {
 
       return data
     }
-};
\ No newline at end of file
+};
diff --git a/src/index.js b/src/index.js
index 37c5458..0c89431 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,6 @@
 import cmcApi from './cmcApi';
 import { friendlyDate } from './utils/date';
+import NumbersDoc from './model/NumbersDoc';
 
 /**
  * Only for Macos-x (Less Yosemite)
@@ -7,22 +8,23 @@ import { friendlyDate } from './utils/date';
  * Needed :
  *  - first sheet with a table of tree columns in the body
  * Usage :
- *  - osascript pull-cryptos-prices.js 
+ *  - osascript pull-cryptos-prices.js
  */
 (() => {
     'use strict';
 
-    const app = Application('Numbers');
-    app.includeStandardAdditions = true;
-    // TODO: use a config table
-    const table = app.documents()[0].sheets()[0].tables()[0];
+    const NbDoc = new NumbersDoc({
+        sheetName: 'pull-crypto-sheet',
+        tableName: 'pull-crypto-table'
+    })
+    const table = NbDoc.findTableByNameWithConfig();
     const cellsRange = table.cellRange();
 
     // Simple Helper
     const testValidValueCell = cell => cell.column().address() === 1 &&
-            cell.row().address() > table.headerRowCount() &&
-            cell.row().address() <= (table.rowCount() - table.footerRowCount()) &&
-            cell.value() != null;
+        cell.row().address() > table.headerRowCount() &&
+        cell.row().address() <= (table.rowCount() - table.footerRowCount()) &&
+        cell.value() != null;
 
     const quotes = cmcApi.getQuotes(
         cellsRange
diff --git a/src/model/NumbersDoc.js b/src/model/NumbersDoc.js
new file mode 100644
index 0000000..a73cbc4
--- /dev/null
+++ b/src/model/NumbersDoc.js
@@ -0,0 +1,28 @@
+export default class NumbersDoc {
+    constructor(config) {
+        this.app = Application('Numbers')
+        this.app.includeStandardAdditions = true
+        this.config = config
+        this.document = this.getDocument()
+    }
+
+    getDocument() {
+        if (0 in this.app.documents()) {
+            return this.app.documents()[0]
+        } else {
+            throw new Error('No document open')
+        }
+    }
+
+    findTableByName({ sheetName, tableName }) {
+        return this.document
+            .sheets()
+            .find(sheet => sheet.name().toLowerCase() === sheetName.toLowerCase())
+            .tables()
+            .find(table => table.name().toLowerCase() === tableName.toLowerCase())
+    }
+
+    findTableByNameWithConfig() {
+        return this.findTableByName(this.config)
+    }
+}
diff --git a/src/utils/shell.js b/src/utils/shell.js
index 4264400..e0989ec 100644
--- a/src/utils/shell.js
+++ b/src/utils/shell.js
@@ -5,4 +5,11 @@ export const run = command => {
     return app.doShellScript(command)
 }
 
-export const getEnv = key => run(`echo $${key}`)
+export const getEnv = key => {
+    try {
+        run('source .env')
+        return run(`echo $${key}`)
+    } catch(e) {
+        throw new Error(`impossible to get env ${key}`)
+    }
+}