docs/form-render/schema/basic.ts

export default {
  type: 'object',
  column: 3,
  displayType: 'row',
  properties: {
    input1: {
      title: 'Field A',
      type: 'string'
    },
    input2: {
      title: 'Field B',
      type: 'string'
    },
    input3: {
      title: 'Field C',
      type: 'string'
    },
    input4: {
      title: 'Field D',
      type: 'string'
    }
  }
};