Not able to read data using Groovy Data Grid Definition Builders

Summary:

Hello Experts,

our requirement is to read the smart list data from the grid and for that we have created grid using the "Grid Definition Builders". below is the code for same. but when we print the variable its show null in return. Need your help to find out which method is required to read the data from the grid?

Content (please ensure you mask any confidential information):

def Exp_Admin;

Cube cube = operation.application.getCube("RevOpex")
DataGridDefinitionBuilder builder = cube.dataGridDefinitionBuilder()
builder.addPov(['Years', 'Scenario', 'Currency', 'Period', 'Version','Intercompany','Analysis Code','Location','Particular','Future'], [['FY24'], ['Budget'], ['AED'], ['BegBalance'], ['Expense Working'],['No Intercompany'],['00000000'],['No Location'],['No Particular'],['No Future']])