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Understanding Multiple Sub-Processes

Multiple Sub-Processes allow the creation of several occurrences or instances of the same Sub-Process.
Bizagi allows the easy configuration of multiple Sub-Processes through a Wizard.

Example: A Classroom Scenario​

To illustrate how a Multiple Sub-Process works, consider the following example:

In a school, several students need to be enrolled to attend class.

  • Applications from students are received.
  • Then, an Enrollment Process is created—one for each student.

This business situation can be modeled as shown in the following diagram:

Configuremultiplesubprocess1

The diagram depicts two Processes:

  • Students Application Process → Parent Process, where all students submit their applications.
  • Student Enrollment Process → Child Process, which creates one case per student independently.

Process Data and Multiple Instances​

The following image shows how Process data is used to create multiple instances of the Students Enrollment Process.

Configuremultiplesubprocess2

Steps to Configure a Multiple Sub-Process​

Follow these steps to configure a Multiple Sub-Process:

1. Define and Diagram the Parent Process​

  • In Step 1 of the Process Wizard, diagram the Parent Process.

  • In this case, the Parent Process is the Students Application Process.

    Configuremultiplesubprocess1

2. Define and Diagram the Child Sub-Process​

  • In Step 1 of the Process Wizard, diagram the Child Process.

  • In this case, the process that performs individual Activities for each student who applied is the Students Enrollment Process.

    Configuremultiplesubprocess4

3. Create a One-to-Many Relationship (Collection)​

  • In Step 2 of the Process Wizard, edit the Parent Process's data model.
  • Create a Collection between:
    • Students Application (Parent Process)
    • Students Enrollment (Multiple Sub-Process)

The relationship will be:
StudentsApplication.StudentsEnrollment

Configuremultiplesubprocess5

4. Set the Sub-Process Entity​

Each process in Bizagi has one main entity:

  • The Process Entity is the main entity used to access other data model entities.
  • There is only one Process Entity per process.

If the process (or Sub-Process) is created through Expert View, the Process Entity is not set.
Thus, you need to manually set the Process Entity of the Multiple Sub-Process to access its data.

For further information, refer to Make an Entity a Process Entity.