How to use Select in dynamic list?

I have dynamic models in my dynamic list. attributes.blabla exist on
all my models.

        dynamic reqList= new List<dynamic>();
        
        //filled this list

        List<string> blablaList = reqList.Select(x => x.attributes.blabla).ToList();

I am taking this error

How can i take attributes.blabla as string list?

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>Solution :

The main point is that reqList is not IEnumerable in your code. Just change the signature to List of dynamics.

List<dynamic> reqList= new List<dynamic>();
reqList.Add(new{ attributes = new{blabla = "qq"}});

List<string> blablaList = reqList.Select(x => x.attributes.blabla as string).ToList();