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+---
+title:  How to add buttons from design system;
+author: User
+date: 2024-03-01 12:00:00 +0800
+categories: [Performance, UI, fetchData]
+tags: [ui, designSystem]
+render_with_liquid: false
+---
+
+## Overview
+
+This guide provides step-by-step instructions on how to use ui components from design.
+
+### Entrypoint and parameters for task
+
+Example how to create button which by click filling dropdown with new data by Vue.js component:
+just copy the required element.
+
+
+1. There are button and dropdown
+   ![Tasks section](/assets/posts_img/ds_buttons.png)
+2. In order to add an event to a click - bind it to the corresponding function in the vue.j methods
+3. And for the appearance of a temporary spinner - add a display condition through v-if, and associate it with the value of the variable of data.
+```bash
+<button type="button"
+    class="btn btn-basic d-flex align-items-center"
+    @click="saveData"
+>Save
+  <i v-if="isLoading" class="preview-loader__white ml-2"></i>
+</button>
+...
+deta() {
+  return {
+    isLoading: false,
+  }
+}
+methods: {
+  saveData() {
+        this.isLoading = true;
+    // some actions with server
+        this.isLoading = false;
+  }
+}
+```
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