Here is a utility method that converts a string into an array of characters:

// ---------------------------------------------------- // Method: stringToCharArray // Description: // Converts a string into an array of characters // // Parameters: // $1 (Text) - String to be converted into an array // $2 (Pointer)- Pointer to the character array // ---------------------------------------------------- C_TEXT($1;$string) C_POINTER($2;$charArray_p) C_LONGINT($stringLength) $string:=$1 $charArray_p:=$2 $stringLength:=Length($string) For ($i;1;$stringLength)    APPEND TO ARRAY($charArray_p->;Substring($string;$i;1)) End for

Below is an example of how the method can be called:

ARRAY TEXT($charArray;0) stringToCharArray ("this is a test sentence!";->$charArray)

The above code will populate the array $charArray as shown: