title: Using getItem with primary and sort keys
body: <p>So i have a dynamodb table called tableX with the fields:</p>
  
  <pre><code>random_fld1, random_fld2, primary_key1, and sort_key1
  all fields are Strings. 
  </code></pre>
  
  <p>What would be a getItem example with those keys and fields. I haven't been able to get the Keys: portion working with getItem.</p>