How to fetch the name and value in the param tag(sub tag) after getting the name of the appender tag in XML file?

I have a config XML file, that has a appender tag and under each appender tag there are param sub tags. I am able to get the name of the appender using XDocument but with that value I am not able to get the names and values inside param tag.

This is the format of my xml file,I am able to fetch the name in line 19 (i.e. the appender name) now based on that how to get the param values and names. Please help me with an answer.The coding language is c#.

Thanks in advance:)