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+---
+layout: docs
+title: "Confirm"
+description: "A reusable confirmation modal component"
+date: 2021-12-09T14:48:00+08:00
+draft: false
+tags:
+- MDL-71963
+- "4.0"
+---
+
+## How it works
+
+The confirm module is automatically invoked on page load, you just need to add some specific data attributes
+to the element that will trigger the confirmation modal.
+
+## Source files
+
+* `lib/amd/src/confirm.js` 
+* `lib/templates/modal.mustache`
+
+## Usage
+The confirmation AMD module is loaded automatically, so the only thing you need to do is to add some specific data attributes
+to the target element:
+{{< highlight html >}}
+<button type="button" class="btn btn-primary" data-confirmation="modal" data-confirmation-title-str='["delete", "core"]'
+data-confirmation-question-str='["areyousure"]' data-confirmation-yes-button-str='["delete", "core"]'>Show confirmation modal</button>
+{{< /highlight >}}
+
+You can also use it on PHP, you just need to set the attributes parameter to any moodle output component that takes attributes:
+{{< php >}}
+echo $OUTPUT->single_button('#', get_string('delete'), 'get', [
+    'data-confirmation' => 'modal',
+    'data-confirmation-title-str' => json_encode(['delete', 'core']),
+    'data-confirmation-question-str' => json_encode(['areyousure']),
+    'data-confirmation-yes-button-str' => json_encode(['delete', 'core'])
+]);
+{{< / php >}}
+
+## Attributes
+
+<table class="table">
+  <thead>
+    <tr>
+      <th style="width: 250px;">Data attribute</th>
+      <th>Description</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <td>data-confirmation</td>
+      <td>The identifier value must be "modal" so the module can find and register an event listener for that element.</td>
+    </tr>
+    <tr>
+      <td>data-confirmation-title-str</td>
+      <td>The modal title language string identifier, must be provided in JSON encoded format.</td>
+    </tr>
+    <tr>
+      <td>data-confirmation-question-str</td>
+      <td>The confirmation question language string identifier, must be provided in JSON encoded format.</td>
+    </tr>
+    <tr>
+      <td>data-confirmation-yes-button-str</td>
+      <td>The language string identifier for the "Yes" button, must be provided in JSON encoded format.</td>
+    </tr>
+    <tr>
+      <td>data-confirmation-toast</td>
+      <td>If set to "true" it will display a confirmation toast in the end.</td>
+    </tr>
+    <tr>
+      <td>data-confirmation-toast-confirmation-str</td>
+      <td>The confirmation toast language string identifier, must be provided in JSON encoded format.</td>
+    </tr>
+    <tr>
+      <td>data-confirmation-destination</td>
+      <td>An url to redirect the user to.</td>
+    </tr>
+  </tbody>
+</table>
+
+## Examples
+
+### Basic confirmation modal
+
+{{< example >}}
+<button type="button" class="btn btn-primary" data-confirmation="modal" data-confirmation-title-str='["delete", "core"]'
+data-confirmation-question-str='["areyousure"]' data-confirmation-yes-button-str='["delete", "core"]'>Show confirmation modal</button>
+{{< /example >}}
+
+### Confirmation modal with a toast
+
+{{< example >}}
+<button type="button" class="btn btn-primary" data-confirmation="modal" data-confirmation-title-str='["delete", "core"]'
+data-confirmation-question-str='["areyousure"]' data-confirmation-yes-button-str='["delete", "core"]' data-confirmation-toast="true"
+data-confirmation-toast-confirmation-str='["deleteblockinprogress", "block", "Online users"]'>Show confirmation modal</button>
+{{< /example >}}
+
+### Confirmation modal with redirect
+
+{{< example >}}
+<button type="button" class="btn btn-primary" data-confirmation="modal" data-confirmation-title-str='["delete", "core"]'
+data-confirmation-question-str='["areyousure"]' data-confirmation-yes-button-str='["delete", "core"]' 
+data-confirmation-destination="http://moodle.com">Show confirmation modal</button>
+{{< /example >}}