How to read the values from the parameter, embeeded schem in C#

Question

I have created component using schema A it consists of embeedded schema type. The embedded schema has two fields the keyname and keyvalue.

Created parameter schema which contain the field called componentpath. That parameter schema is assocaiated to the tbb.

1. I want to read the parameter value.

2. Load the component and read the values of the component but want to read for particular keyaname this is the keyvalue.