CODEPOINT (SSIS Expression)
Applies to: 
SQL Server
SSIS Integration Runtime in Azure Data Factory
Returns the Unicode code point of the leftmost character of a character expression.
Syntax
CODEPOINT(character_expression)
Arguments
character_expression
Is a character expression whose leftmost character will be evaluated.
Result Types
DT_UI2
Remarks
character_expression must have the DT_WSTR data type.
CODEPOINT returns a null result if character_expression is null or an empty string.
Expression Examples
This example uses a string literal. The return result is 77, the Unicode code point for M.
CODEPOINT("Mountain Bike")
This example uses a variable. If Name is Touring Front Wheel, the return result is 84, the Unicode code point for T.
CODEPOINT(@Name)