diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index dc6f5b02..1370c46e 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -1808,5 +1808,13 @@
   "customPrompts_export_include_api_settings": {
     "message": "Do you want to include the API settings in the export? Be aware that also the API Key will be saved in the file!",
     "description": ""
+  },
+  "prefs_OptionText_calendar_no_selection": {
+    "message": "Do not ask to select text",
+    "description": ""
+  },
+  "prefs_OptionText_calendar_no_selection_Info": {
+    "message": "If checked there is no need to select some text. The full message body will be used to get the calendar event.",
+    "description": ""
   }
 }
diff --git a/options/mzta-options-default.js b/options/mzta-options-default.js
index eb8cda9c..64b5d839 100644
--- a/options/mzta-options-default.js
+++ b/options/mzta-options-default.js
@@ -128,6 +128,7 @@ export const prefs_default = {
     get_task: true,
     calendar_enforce_timezone: false,
     calendar_timezone: '',
+    calendar_no_selection: false,   // If true do not ask for selection, but use the full prompt
     spamfilter: false,
     spamfilter_threshold: 70,
     spamfilter_enabled_accounts: [],
diff --git a/pages/get-calendar-event/mzta-get-calendar-event.html b/pages/get-calendar-event/mzta-get-calendar-event.html
index ee036aba..095f26aa 100644
--- a/pages/get-calendar-event/mzta-get-calendar-event.html
+++ b/pages/get-calendar-event/mzta-get-calendar-event.html
@@ -26,6 +26,16 @@
           </tr>
           <tr id="connection_ui_anchor"></tr>
           <tr id="connection_ui_end"><td colspan="2"></td></tr>
+          <tr class="get_calendar_event_tr">
+            <td><span class="opt_title">__MSG_prefs_OptionText_calendar_no_selection__</span>
+            </td>
+            <td>
+              <label>
+                <input type="checkbox" id="calendar_no_selection" name="calendar_no_selection" class="option-input" />
+                __MSG_prefs_OptionText_calendar_no_selection_Info__
+              </label>
+            </td>
+          </tr>
           <tr class="get_calendar_event_tr">
             <td><span  class="opt_title">__MSG_prefs_OptionText_calendar_enforce_timezone__</span></td>
             <td>