Siebel Hierarchical Pick list by using List Of Values Dynamic (REL)

1.Create Pick List for Field1

Name: Pick List Field1 Demo
BusComp: PickList Generic
Type Value: FIELD1_DEMO

2. Create Pick List for Field2

Name: Pick List Field2 Demo
BusComp: List Of Values Dynamic (REL)

"List Of Values Dynamic (REL)" business component has fields named "Parent Value" and "Parent Type".

Search Specification: [Parent Type] = ' FIELD1_DEMO'
Type Value: FIELD2_DEMO



3. Configure Siebel FIELD1 on  business component


Name: FIELD1
Immediate Post Change: TRUE
This property needs to be set to TRUE for parent field.
Picklist: Pick List Field1 Demo
PickMap:

Field: Field1
Picklist Field: Value


Field: Field2
PickList Field: NULL (leave this field as blank).

(This pick map is configured to set the  Field2 to NULL Field1 is changed)



4. Configure Field2 on business component


Name: Field2
Picklist: Pick List Field2 Demo
PickMap:

Field: Field1
Constrain: TRUE
This property is set to constrain Filed2 by Field1.
Picklist Field: Parent Value

Field: Field2
Picklist Field: Value



5. Compile the changes


6. Set up the Parent/Child List of Value (LOV) relationship between field1 and field2 at the client level. Without setting the Parent/Child relationship properly, the hierarchical Pick List does not work as expected. Please refer above image.