-Set the first action to "Is Begin Action" by clicking on the sky blue triangle.

-Add a parameter to your process, it will be used to count the number of loops.

-Edit the Execution Condition of the link from First_Action to Loop item 1 : ${First_Action/CORE_NB_EXECUTIONS}$ < ${number_of_executions}$

-Edit the Execution Condition of the link from First_Action to End of process : ${First_Action/CORE_NB_EXECUTIONS}$ >= ${number_of_executions}$

 overview

link from First_Action to Loop item 1 :

link1

link from First_Action to End of process :

link2