The GetChildByName(xmlTree, name) command accesses the children of the given XML element xmlTree with element name equal to name. A list of all children that are elements with element type equal to name is returned.

$\mathrm{with}\left(\mathrm{XMLTools}\right)\:$

$\mathrm{xmlTree}≔\mathrm{XMLElement}\left(''a''\,\left[\right]\,\left[\mathrm{XMLElement}\left(''b''\,\left[\right]\,''b\; text''\right)\,\mathrm{XMLElement}\left(''c''\,\left[\right]\,''c\; text''\right)\,\mathrm{XMLElement}\left(''b''\,\left[\right]\,''more\; b\; text''\right)\right]\right)\:$

$\mathrm{Print}\left(\mathrm{xmlTree}\right)$

<a>
  <b>b text</b>
  <c>c text</c>
  <b>more b text</b>
</a>

$\mathrm{map}\left(\mathrm{Print}\&comma;\mathrm{GetChildByName}\left(\mathrm{xmlTree}\&comma;''b''\right)\right)$

<b>b text</b>

<b>more b text</b>

$\mathrm{map}\left(\mathrm{Print}\&comma;\mathrm{GetChildByName}\left(\mathrm{xmlTree}\&comma;''c''\right)\right)$

<c>c text</c>

$\mathrm{map}\left(\mathrm{Print}\&comma;\mathrm{GetChildByName}\left(\mathrm{xmlTree}\&comma;''nosuchelement''\right)\right)$