Method: Sanitize the data for update/create

Method: Get the parsed notes for a customer as an array

Method: Get the total number of notes we have after parsing

Method: Add a note for the customer

Method: Get the notes column for the customer

Method: Retrieve customer meta field for a customer.

Method: Add meta data field to a customer.

Method: Update customer meta field based on customer ID.

Method: Remove metadata matching criteria from a customer.