symfony - Installing Javascript in symfony2 -

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hi stackoverflow people.

im trying use javascript graph in test twig view. view:

    <h1>test</h1> {% javascripts '@acmefoobundle/resources/public/js/*' %}   <script src="{{ asset_url }}"  type="text/javascript">   window.onload = function () {     var chart = new canvasjs.chart("chartcontainer", {    title:{     text: "fruits"                 },   data: [//array of dataseries                   { //dataseries object       /*** change type "column" "bar", "area", "line" or "pie"***/      type: "column",      datapoints: [      { label: "banana", y: 18 },      { label: "orange", y: 29 },      { label: "apple", y: 40 },                                          { label: "mango", y: 34 },      { label: "grape", y: 24 }      ]    }    ]  });  chart.render();   }        </script>       <script type="text/javascript" src="{{ asset_url }}"></script>       {% endjavascripts %}        <body>       <div id="chartcontainer" style="height: 300px; width: 100%;">       </div>     </body>

so problem javascript library not installed because returns me error message:

an exception has been thrown during compilation of template ("you must add preditbundle assetic.bundle config use {% javascripts %} tag in preditbundle:default:test.html.twig.") in "preditbundle:default:test.html.twig".

things i've tryed:

-follow step step page "how use assetic asset management -use console comands : assets:install , assetic:dump

thanks answers

you have add bundle in config.yml.

assetic:     bundle: [ preditbundle ]

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