Do you have any idea what I found here的问题

题目

Do you have any idea what I found here的问题
Do you have any idea what I found here中的what I found here是什么啊?是宾语?定语?还是补语?
我觉得应该加about,

答案

idea 是名词,后多接同位语从句.what I found here就是idea 的同位语. 定语从句中没有what这一关系词.