What are the 5 facts you should list when describing the situation around a complaint?

When describing the situation around a complaint, you should include the following five facts: 1) The nature of the complaint, detailing the specific issue or concern raised. 2) The date and time when the complaint was made, providing context for its timeliness. 3) The parties involved, including the complainant and any relevant staff or departments. 4) The actions taken in response to the complaint, outlining steps already implemented. 5) The desired resolution or outcome sought by the complainant, clarifying what they hope to achieve.