docs: def delete_field(field_uri):
    """
        Helper function to request deletion of a field. This is necessary when you want to overwrite values instead of
        appending.
  
        <t:DeleteItemField>
          <t:FieldURI FieldURI="calendar:Resources"/>
        </t:DeleteItemField>
    """
  
    root = T.DeleteItemField(
      T.FieldURI(FieldURI=field_uri)
    )
  
    return root