Create a detailed written record of the incident as soon as possible while details are fresh in your memory. Include specific dates, times, locations, and the names or identifying information of individuals involved. Write down the exact words or statements made, if applicable, and describe the actions or behaviors you witnessed. If appropriate and legal in your jurisdiction, save screenshots of online listings, emails, text messages, or other written communications that may be relevant. Photograph or document physical evidence such as discriminatory signs, flyers, or notices. Be as objective and factual as possible in your documentation, avoiding conclusions or interpretations.