CHARS_FROM_LEFT

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

CHARS_FROM_LEFT (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 leftmost characters of the text

IF CHARS_FROM_LEFT (Account.Name, 2) = 'Jo' THEN ...