def update_fc(
    data_one: str,
    data_two: Union[int, float, str],
    data_three: list[str],
    data_four: List[Union[int, float, str]],
    tool_context: ToolContext,
) -> str:
  """Simply ask to update these variables in the context"""
  tool_context.actions.update_state('data_one', data_one)
  tool_context.actions.update_state('data_two', data_two)
  tool_context.actions.update_state('data_three', data_three)
  tool_context.actions.update_state('data_four', data_four)
  return 'The function `update_fc` executed successfully'
Simply ask to update these variables in the context
tests/integration/fixture/context_variable_agent/agent.py