Aggrid configure_column rowGroup to show sum(value) instead of count

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Hi community, a qq on AgGrid configure_column usage.
As shown in the image, i’m using AgGrid to group the rows together.
However, what I want to display next to the group is the sum(value) instead of count of rows in the group. is it possible to achieve?

gb = GridOptionsBuilder.from_dataframe(filtered_df)
gb.configure_column(col, rowGroupIndex=i)

As shown in the image below, I want to display 470 instead of 53.