how to use login credentials for spring app in postman?

@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private MyUserDetailsService userDetailsService;

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                .authorizeRequests()
//                .antMatchers("/communicationTests").permitAll()
                .antMatchers("/importBgwCurrent").permitAll()

                .anyRequest().authenticated()
                .and().formLogin().loginPage("/login").permitAll()
                .and().logout().permitAll()
                .and().csrf().disable();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService);
        auth.authenticationProvider(authProvider());
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        return new CryptEncoder();
    }

    @Bean
    public DaoAuthenticationProvider authProvider() {
        DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();
        authProvider.setUserDetailsService(userDetailsService);
        authProvider.setPasswordEncoder(passwordEncoder());
        return authProvider;
    }
}

@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private MyUserDetailsService userDetailsService;

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                .authorizeRequests()
//                .antMatchers("/communicationTests").permitAll()
                .antMatchers("/importBgwCurrent").permitAll()

                .anyRequest().authenticated()
                .and().formLogin().loginPage("/login").permitAll()
                .and().logout().permitAll()
                .and().csrf().disable();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService);
        auth.authenticationProvider(authProvider());
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        return new CryptEncoder();
    }

    @Bean
    public DaoAuthenticationProvider authProvider() {
        DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();
        authProvider.setUserDetailsService(userDetailsService);
        authProvider.setPasswordEncoder(passwordEncoder());
        return authProvider;
    }
}