le and tofile must be supplied.
If a branch definition is supplied, at least one of fromfile or tofile should be supplied.
Both fromfile and tofile can be supplied together with a branch definition.</p>
<table border="1" cellpadding="2" cellspacing="0">
  <tr>
    <td valign="top"><b>Attribute</b></td>
    <td valign="top"><b>Description</b></td>
    <td align="center" valign="top"><b>Required</b></td>
    <td align="center" valign="top"><b>Perforce command line flag</b></td>
  </tr>
  <tr>
    <td valign="