Syntax
Table.ExpandTableColumn(table as table, column as text, columnNames as list, optional newColumnNames as nullable list) as table
Description
Expands tables in table[column] into multiple rows and columns. columnNames is used to select the columns to expand from the inner table. Specify newColumnNames to avoid conflicts between existing columns and new columns.
Reference Data
https://docs.microsoft.com/en-us/powerquery-m/power-query-m-function-reference