Hi Fernando,
Those table should be configured if you do not use the standard task TS20000118.
The IMG document gives you more info.
Define Task Types for Approval Workflow
Use
In this IMG activity, you define the workflow task that is used to approve travel requests.
Standard settings
The default task is TS20000118.
Activities
If you use a different task, choose New Entries and enter your task in the Workflow Task field.
Define Decision Keys for Approval Workflow
Use
In this IMG activity, you define the decision keys for approval and rejection. You need to define these keys if you are using a custom workflow to approve travel requests.
Standard settings
In the standard workflow, decision key "0001" is used for approval, and decision key "0003" for rejection.
Activities
If you have defined a custom workflow for approving travel request, make the following settings:
1. In the WF Decision Key field, enter "0001" for approval.
2. In the UI Decision Key field, enter "0003" for rejection.
Also check this. Travel request custom workfolw- How to assign values in table SRA009_T_CONFIG
Regards,
Masa
SAP Rapid Innovation Group - RIG