Processes are very important for the success within many business fields. They define the proper application of methods, technologies and company structures in order to reach business goals. Not only manufacturing processes have to be defined from the start point to their end, also other processes like product development processes need a proper description to gain success. For example in automotive industries complex product development processes are necessary and defined prior to product development. This paper is an advancement of PML - the object-oriented Process Modeling Language, introduced in earlier publications. A new Event Model for PML is introduced and the association to the resources model and the product data model is described. The concepts are shown by some examples to illustrate their usage.