text: from typing import Optional
  
  from tikkie2._session import ApiSession, get_session
  from tikkie2.v2.models import CreateSandboxApplicationResponse
  
  
  def create_application(
      app_token: Optional[str] = None,
      api_key: Optional[str] = None,
      session: Optional[ApiSession] = None,
  ) -> CreateSandboxApplicationResponse:
      """
      Creates an app in the sandbox for you to use with this API. This
      operation does not work in the production environment.
  
      https://developer.abnamro.com/api-products/tikkie/reference-documentation#tag/Sandbox-app
  
      :param app_token: The App Token generated in the Tikkie Business Portal.
      :param api_key: The API Key obtained from the ABN developer portal.
      :param session: An optional API session class. If not passed the global API session will be used
      """
      s = session if session else get_session()
      response = s.post(
          "sandboxapps",
          app_token=app_token,
          api_key=api_key,
      )
      return CreateSandboxApplicationResponse.parse_raw(response.content)
  