[Outlook] (Message Compose) Map code sample (#963)

Author: samantharamon

snippet-extractor-metadata/outlook.xlsx

@@ -11582,6 +11582,23 @@
         console.log("masterCategories.removeAsync call failed with error: " + asyncResult.error.message);
       }
     });
+'Office.MessageCompose:interface':
+  - >-
+    // Link to full sample:
+    https://raw.githubusercontent.com/OfficeDev/office-js-snippets/prod/samples/outlook/40-attachments/attachments-compose.yaml
+
+
+    const attachmentUrl = $("#attachmentUrl")
+      .val()
+      .toString();
+    Office.context.mailbox.item.addFileAttachmentAsync(
+      attachmentUrl,
+      getFileName(attachmentUrl),
+      { isInline: false },
+      (result) => {
+        console.log(result);
+      }
+    );
 'Office.MessageCompose#addFileAttachmentAsync:member(1)':
   - >-
     // Link to full sample: