One to many

//Parent
module.exports = {

  attributes: {
    text: {type:'string'},
    order: {type:'integer'},
    options: {type:'array'},
    optionType: {type:'string', enum:['single', 'multiple', 'entry']},

    //options:{collection:'options'}

    survey: {
      model: 'survey'
    }
  }
};

//Child
module.exports = {

  attributes: {
    text: {type:'string'},
    order: {type:'integer'},
    options: {type:'array'},
    optionType: {type:'string', enum:['single', 'multiple', 'entry']},

    //options:{collection:'options'}

    survey: {
      model: 'survey'
    }
  }
};