title: Solr how to write an array of data in a CSV file
body: <p>What's the syntax to write an array for solr in a csv file?, i need to update a multivalued field but when i upload the file, the data get all in the array but like just one element like this:</p>
  
  <pre><code>multiField:["data1,data2,data3"]
  </code></pre>
  
  <p>instead of this</p>
  
  <pre><code>multiField:["data1", "data2" , "data3"]
  </code></pre>
  
  <p>how i can write this in the csv file by default?</p>