reading the xpath contained in xml using powershell

hi,

my xml contains

<xpath>configuration/appsettings/add[@key='abc'][@value]</xpath>

<value>124</value>

i want fetch value corresposnding xpath "add[@key='abc']" xml using powershell

that not xml.  piece of edit command reying setting app.config file?

$node=$xml.selectsinglenode("//configuration/appsettings/add[@key='abc']")

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\_(ツ)_/

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