the last line must always be the final expression.

If it is multiline, the statement before the final expression MUST END WITH ; and a newline

• {'results.'}: the result of step at id 'id'
• flow_input: the object containing the flow input arguments
• params: the object containing the current step static values
• variable(path): the function returning the variable (including secrets) at given path as a string
• resource(path): the function returning the resource at a given path as an object