You can tie the relevant documents (field reports) to the pins of the task.

■For PC

1. Select the task
2. Scroll to the bottom of the screen and click on "Tied document list".
3. Click "Create New Document" or "Select from list" to register the document.
   
4. It will appear in the Tied document list when registration is complete.
   

■For smartphones and tablets

1. Select the task.
   
   
   
2. Scroll to the bottom of the screen and tap "Tied document list".
   
   
   
3. Tap "+" in the upper right corner of the screen, and register the document (field report) at "Select from list" or "Create new document".
   
   
   
4. Once the registration is complete, it will be added to the Tied document list.