CHARS_FROM_RIGHT

Returns the text being the specified number of the rightmost characters in the provided text

CHARS_FROM_RIGHT (text, count)

Can be used in the condition of a FIND action.

Attribute of the Plain Text type or string constant or calculation producing text and an integer constant indicating the number of characters to retrieve

Text: the given number of rightmost characters of the text

IF CHARS_FROM_RIGHT (Account.Name, 3) =  'ith' THEN ...