Table.ColumnNames Function in Power Query

The Table.ColumnNames function returns the column names in the table as a list of text.

Syntax

Table.ColumnNames(table as table) as list

Example: Find the column names of the table.

Power Query M

let
  MyTable = Table.FromRecords(
    {
      [CustomerID = 1, Name = "Ashish", Phone = "123-4567"], 
      [CustomerID = 2, Name = "Katrina", Phone = "987-6543"], 
      [CustomerID = 3, Name = "Alia", Phone = "543-7890"], 
      [CustomerID = 4, Name = "Vicky", Phone = "676-8479"], 
      [CustomerID = 5, Name = "Mohini", Phone = "574-8864"], 
      [CustomerID = 6, Name = "Meenakshi", Phone = "574-8864"], 
      [CustomerID = 7, Name = "Esha", Phone = "574-8864"], 
      [CustomerID = 8, Name = "Anjali", Phone = "574-8864"]
    }
  ), 
  Return = Table.ColumnNames(MyTable)
in
  Return  

The output of the above formula is shown below:

Table.ColumnNames function in Power Query