daggerheart/module/data/abilityUse.mjs

export default class DhpAbilityUse extends foundry.abstract.TypeDataModel {
    static defineSchema() {
      const fields = foundry.data.fields;

      return {
        title: new fields.StringField({}),
        img: new fields.StringField({}),
        name: new fields.StringField({}),
        description: new fields.StringField({}),
        actions: new fields.ArrayField(new fields.SchemaField({
          name: new fields.StringField({}),
          damage: new fields.SchemaField({
              type: new fields.StringField({}),
              value: new fields.StringField({}),
          }),
          healing: new fields.SchemaField({
            type: new fields.StringField({}),
            value: new fields.StringField({}),
          }),
          cost: new fields.SchemaField({
            type: new fields.StringField({ nullable: true }),
            value: new fields.NumberField({ nullable: true }),
          }),
          target: new fields.SchemaField({
            type: new fields.StringField({}),
          }),
        })),
      }
    }
}