If you want to be a real estate agent, then you can write according to your normal work experience, because real estate agents now have low requirements for the quality of employees. Mainly because you have sales experience, it will be better. If not, it doesn't matter.
If you have done a resume of a real estate agent, it should be written like this. Briefly describe your experience as a real estate agent, focusing on your main areas of responsibility, your past performance and outstanding performance in your work, as well as your expertise in a certain field of real estate.