boltforms example fields

boltformvalues.yml

contact:
  notification:
    enabled: true
    debug: false
    subject: Your message was submitted
    from_name: My Site
    from_email: noreply@example.com
    to_name: My Site              # Must be valid text
    to_email: noreply@example.com # Must be valid email address
    attach_files: false
  feedback:
    success: Message submission sucessful
    error: There are errors in the form, please fix before trying to resubmit 
  fields:
        achternaam:
            type: text
            options:
                required: true
                label: Je achternaam
                attr:
                    placeholder: Je achternaam...
                    class: myclass-name
                    prefix: "<fieldset id='fieldset_achternaam'><legend>Achternaam</legend>"
                    postfix: "</fieldset>"
                constraints: [ NotBlank ]
        log_timestamp:
            type: hidden
            options:
                label: false
            event:
                name: timestamp
                params:
                    format: '%F %T'
        log_useragent:
            type: hidden
            options:
                label: false
            event:
                name: server_value
                params:
                    key: HTTP_USER_AGENT
        log_ip:
            type: hidden
            options:
                label: false
            event:
                name: server_value
                params:
                    key: REMOTE_ADDR
        submit:
            type: submit
            options:
                label: Inschrijven