You can create a form field linked to an array entity per element in a set. 
 
 -  In the Palette > Components group, click and drag the Form element onto the artboard.  
-  In the Palette > Components group, click and drag the Field element onto the Form.  
-  Select the Field element on the Form. In the Attributes pane:  
   
    
    - Set Data > Entity to the element that will store the data ("MY_ARRAY") 
- Set Label to "='MY_ARRAY(' + index.label + ')'" 
- Set Indicies to "=index.value" 
- Set Repeat to "=index in scenario.entities.MY_SET" 
 
 
 
 <vdl-form>
    <vdl-field entity="MY_ARRAY" label="='MY_ARRAY(' + index.label + ')'" indices="=index.value"
        vdl-repeat="=index in scenario.entities.MY_SET"></vdl-field>
</vdl-form>