content: import React from 'react';
  import TextInput from 'zs-react/TextInput';
  
  /** Required TextBox with error */
  export default class ExampleError extends React.Component {
    render() {
      return (
        <TextInput
          htmlId="example-optional"
          label="First Name"
          name="firstname"
          onChange={() => {}}
          required
          error="First name is required."
         />
      )
    }
  }
  