Approval management is an extension of the human workflow services of Oracle SOA Suite. Refer to the Oracle Fusion Middleware Modeling and Implementation Guide for Oracle Business Process Management. Approval management is fully described in the Oracle Fusion Middleware Modeling and Implementation Guide for Oracle Business Process Management. Though the concepts described there apply also to Oracle Fusion Applications, the only setup relevant to Oracle Fusion Applications involves approval groups and task configuration. Customization of approval workflows themselves is described in the Oracle Fusion Applications Extensibility Guide. In oracle fusion there are few process which already have approval rules associated. Since the approval path differ from organization to organization you have the flexibility to modify seeded approval rules.
This video demonstrates How to configure Approvals using AMX in Oracle Fusion HCM Cloud:
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