The name ‘ParameterDirection’ does not exist in the current context using Oracle.ManagedDataAccess.Client;

I am testing to get the id of an inserted row with dotnet with the package on the title (Oracle.ManagedDataAccess.Client) but when I try to specify the Parameter Direction the class is not recognized and get the error The name ‘ParameterDirection’ does not exist in the current context. I am using .NET 3.1
I am trying to specify it like this: