Link:
https://www.ibm.com/docs/en/filenet-p8-platform/5.5.x?topic=applications-filenet-deployment-manager-tool
Main one "Overview of a migration and deployment process with FileNet Deployment Manager" https://www.ibm.com/docs/en/filenet-p8-platform/5.5.x?topic=overview-migration-deployment-process-filenet-deployment-manager
https://www.ibm.com/docs/en/filenet-p8-platform/5.5.x?topic=pse-creating-deployment-package-by-using-filenet-deployment-manager-graphical-user-interface
https://www.ibm.com/docs/en/filenet-p8-platform/5.5.x?topic=manifest-adding-assets-export-by-browsing
https://www.ibm.com/support/pages/filenet-deployment-manager-and-exporting-and-re-importing-document-class-single-indexed-property-or-properties