what is a controlId in react-bootstrap

Question

I was just going through the React-bootstrap form what is the use of controlId is it similar to name we use in legacy form?

<form>     <FormGroup       controlId="formBasicText" ---------------------->> what is the use?       validationState={this.getValidationState()}     >       <ControlLabel>Working example with validation</ControlLabel>       <FormControl         type="text"         value={this.state.value}         placeholder="Enter text"         onChange={this.handleChange}       />       <FormControl.Feedback />       <HelpBlock>Validation is based on string length.</HelpBlock>     </FormGroup>   </form> 

Answer 1

As the DOCS says:

Sets id on <FormControl> and htmlFor on <FormGroup.Label>.

Basically it's the input's id and the label's for attribute.