> Deprecated:
> The creation of new marketing activity app extensions is deprecated. Only existing extensions can still be managed. If you have an existing marketing activity app extension and would like to continue to manage it, please migrate it to CLI following the [migration guide](/docs/apps/build/marketing-analytics/marketing-activities/migrate-extensions).


## Reference documentation

<div class="resource-card-grid">
  <div>
  <a class="resource-card" href="/docs/api/marketing-activities/components" data-theme-mode="">
    <div class="resource-card__indicator-container"><img
     src="/assets/resource-cards/blocks"
     data-alt-src="/assets/resource-cards/blocks-dark"
     aria-hidden="true"
     class="resource-card__icon themed-image"></div>
    <h3 class="resource-card__title">
      Components reference
    </h3>
    <p class="resource-card__description">Learn about the different components that you can use to build a marketing activity form.</p>
  </a>
</div>

<div>
  <a class="resource-card" href="/docs/api/marketing-activities/endpoints" data-theme-mode="">
    <div class="resource-card__indicator-container"><img
     src="/assets/resource-cards/rest"
     data-alt-src="/assets/resource-cards/rest-dark"
     aria-hidden="true"
     class="resource-card__icon themed-image"></div>
    <h3 class="resource-card__title">
      Endpoints reference
    </h3>
    <p class="resource-card__description">Learn about the endpoints that you need to add to your app to support marketing activities.</p>
  </a>
</div>

<div>
  <a class="resource-card" href="/docs/api/marketing-activities/statuses" data-theme-mode="">
    <div class="resource-card__indicator-container"><img
     src="/assets/resource-cards/hearts"
     data-alt-src="/assets/resource-cards/hearts-dark"
     aria-hidden="true"
     class="resource-card__icon themed-image"></div>
    <h3 class="resource-card__title">
      Statuses reference
    </h3>
    <p class="resource-card__description">Learn about the different statuses for marketing activities and how to handle them.</p>
  </a>
</div>

</div>