--- title: "ToLower" slug: "tolower" updated: 2024-05-04T19:54:10Z published: 2024-05-04T19:54:10Z canonical: "help.mail-and-deploy.com/tolower" --- > ## Documentation Index > Fetch the complete documentation index at: https://help.mail-and-deploy.com/llms.txt > Use this file to discover all available pages before exploring further. # ToLower ### General The *ToLower* function returns a [String](/release34/docs/string) that contains the argument in lowercase letters. ### Syntax The syntax of the *ToLower* function is: ToLower Function Syntax ToLower() ### Examples The following [Expression](/release34/docs/introduction-to-mail-and-deploy-expressions) returns a [String](/release34/docs/string) that contains the value of the field *SalesRepName* of the [Datasource](/release34/docs/introduction-to-datasources) named *Consumer Sales* in lowercase letters: ToLower Function Example ToLower([Datasource].[Consumer Sales].[Field].[SalesRepName])