STEP 1: Create data entity for the header and line table (set the same field as primary key for both tables
The following data entity, staging table and security is created automatically
STEP 2: Create row id and parent row id (integer) in the header staging table (where the Execution Id and Definition group field, relation, index are automatically created).
STEP 3: Create row id and parent row id fields, create relation for primary key, definition group, execution id.
STEP 4: Create relation in line level data entity (primary key)
STEP 5: Create composite data entity
By adding new dataset element for header and line entity, then map the relation in the line entity.
STEP 6: Front end à Workspaces à Data management
In data entities, create new record and enter the composite entity name in target entity, set the entity type as composite entity and give a name to entity.
In export, give a name and select entity name (which is given in data entities) and composite entity in the lookup.
By clicking the add entity if you got the following error, choose another entity in the entity name and click the add entity and then delete that entity
Then click export in the action pane then click download package in the action pane to open and view the file.
Import:
Go to import and select the file to import (save the exported file in desktop which can be used for import)
Output
