Sauvegarder une liste de questions en BDD

salut

je dois enregistrer la liste des question dans la bdd
voici mon code je sais pas comment le faire dans le onSubmit, ca enregistre le name mais pas les question
Code:
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import React, {  Component, Fragment} from 'react'
import { Link } from "react-router-dom";
import { addNewIntent } from "../../Actions/IntentActions";
import { connect } from "react-redux";
import PropTypes from "prop-types";
 
class AddNewIntent extends Component {
  constructor(props) {
    super(props);
    this.state = {
      name: "",
      questions: ['Enter your question here']
    }
    this.onChangeName = this.onChangeName.bind(this);
    this.onSubmit = this.onSubmit.bind(this);
  }
    handleText = i => e => {
      let questions = [...this.state.questions]
      questions[i] = e.target.value
      this.setState({
        questions
      })
    }
 
    handleDelete = i => e => {
      e.preventDefault()
      let questions = [
        ...this.state.questions.slice(0, i),
        ...this.state.questions.slice(i + 1)
      ]
      this.setState({
        questions
      })
    }
 
    addQuestion = e => {
      e.preventDefault()
      let questions = this.state.questions.concat([''])
      this.setState({
        questions
      })
    }
 
    onSubmit() {
      const newIntent = {
          name: this.state.name,
          questions:  this.state.questions
 
      }
      this.props.addNewIntent(newIntent, this.props.history);
  }
 
  onChangeName(e) {
    this.setState({
        [e.target.name]: e.target.value
    });
}
 
    render() {
      return (
        <Fragment>
        <div className="addIntent">
              <Link to="/" className="btn btn-light">
                  Back to Board
              </Link>
              <h1 className=" text-center">
                  New Intent
              </h1>
     <form onSubmit={this.onSubmit}> 
       <div className="form-group">
       <label ><h5> Intent </h5></label>
         <input
           className="form-control form-control-lg"
           placeholder="intent"
           name="name"
           value={this.state.name}
           onChange={this.onChangeName}
           required
         />
         </div>     
          {this.state.questions.map((question, index) => (
            <span key={index}>
              <input
                type="text"
                onChange={this.handleText(index)}
                value={question}
              />
              <button onClick={this.handleDelete(index)}>X</button>
            </span>
          ))}
          <button onClick={this.addQuestion}>Add New Question</button>
          <input
          type="submit"
          className="btn btn-primary btn-block mt-4"
        />
          </form>
         </div>
        </Fragment>
      )
    }
  }
  AddNewIntent.propTypes = {
    addNewIntent: PropTypes.func.isRequired,
 
  };
 
  const mapStateToProps = state => ({
 
  });
export default connect(
    mapStateToProps,
    { addNewIntent}
  )(AddNewIntent);