matchAll ConditionThe matchAll condition can be applied to all change types.
When performing changes if the XPath of jsonPath matches multiple elements the substitution will fail.
However, if you legitimately wanted to update all instances that match you can provide a matchAll value of true which signifies that you do want all matching elements to be updated
<Change type="ChangeValue" xPath="/root/nodes/node" value="NewValue" matchAll="true" />