A URL with UTM parameters is always built up according to a scheme, in the generation of which the Google tool, for example, supports you. A total of five different parameters are available for this purpose. Three UTM parameters must always be filled in, and you can optionally select two more. The correct creation of your link is mandatory so that Google can recognize it. Choose only the necessary parameters for your campaign, so as not to unnecessarily inflate your URL. Also, when creating your parameters, make sure that they are clearly named. This will make it easier for you to evaluate the campaigns later on.