Create a Child Table Using Table Control | IBM Maximo

1. First drag and drop a table control in Maximo, set properties as below:

Data Source Id:            main_tasks_table
Relationship:               Master_Detail_Relation (master to detail main relationship)

2. Drag a Default value control and set properties as below:

From Data Source ID: MAINRECORD

From Attribute: ParentTableID

Attribute: ChildTableID