Additional field validation

@Ping I'm using additional fields. I want it so the user can input this (it's a

bio

bio

bio

bio field), is it possible to enforce restrictions here? Eg min/max length.

Or need I create my own backend endpoint to sanitize it?

    additionalFields: {
      bio: {
        type: "string",
        required: false,
        defaultValue: "",
      },

    additionalFields: {
      bio: {
        type: "string",
        required: false,
        defaultValue: "",
      },

    additionalFields: {
      bio: {
        type: "string",
        required: false,
        defaultValue: "",
      },

    additionalFields: {
      bio: {
        type: "string",
        required: false,
        defaultValue: "",
      },