Planing to upgrade Activiti 5.15 To 7. DataBase Migration script is available for migrate from Activiti 5.15 to 7?

[nprajapatiasite]

Hi,

Currently we are using Activiti 5.15 version with multiple instances/Activiti engines. Now we are planning to upgrade to  activiti 7 version. can anyone tell me that DB migration script available or not for activiti 7?