Pass arguments to rake tasks in rails

rails_rakes.rake

namespace :rails_rakes do
    desc "say hi"
    task :hi => :environment do
        puts "Hi"
    end
    
    desc "say hi with arg"
    task :hi_with_arg, [:name] => :environment do |t, args|
        puts "Hi #{args[:name]}"
    end

    desc "say hi with args"
    task :hi_with_args, [:name, :age] => :environment do |t, args|
        puts "Hi #{args[:name]} you are #{args[:age]}"
    end
end