using dataMap to define dataItem.Cls value

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is it possible to use dataMap (or any other methods/configs) to use dataItem.record.data.someKey value as dataItem.cls?

something like:

config: {
  cls: ['some-class'],
  dataMap: {
    getCls: {
      // addCls using "someKey" value
    }
  }
}

thanks in advance!


update: problem solved!

I managed to do this using the initialize method.
here is how it ended:

initialize: function() {
    this.callParent();


    this.addCls([this.getRecord().data.someKey]);
    //considering someKey value is a string
}

that's all.
hope it helps someone.

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