Range UDT access from Fast Formula

Summary:

Good morning,

I need to retrieve a value from a UDT using a Fast Formula. For MATCH type UDTs, there is no problem; I can use the function GET_TABLE_VALUE(table_name, column_name, row_value) to get the value for a specific row and column.

However, how can I do this for a Range type UDT? For this type of UDT, the row_value to insert in the GET_TABLE_VALUE function is the lower bound of the range, but I have as input a value that falls within a range. For example, if my UDT is structured as follows: