How to json hierarchical data

Hi All ,

I wanted to falten a json data but its coming as array only as i have to load this to relation table i wanted this value as a relation column value .

I have used json spiltter and then in mapper wrtitten below expression still its giving me results as a list .

Mapper snap -jsonPath($, “$Business_Units_group[*].referenceID”)

But i want only up highlighted value like other columns not inform of list .

can somebody help me .its little urgent for me .