Invoke an Action (i.e. Change Status) with Push Button | IBM Maximo

1. Create New Action:

    Name: statusApprAction ( for example)

    Object: PR
    Type: 'Change Status'

    Value: 'APPR'

2. Open desired application  (for example, Purchase Requisition in Application Designer
    Create a new Signature Option in desired application using application designer

    New/Option: statusApprSig
    Advanced Signaure Option: Check This is an action that must be invoked by user in the UI