StringTransformer

String transformer transforms a string based on the given parameters.

If no parameters are given, the string will be returned as is. If an integer parameter is given, the string will be splitted into an array of strings using payload or space as a separator. And will return the element at the given index (integer parameter).

Use a + before the index to reference every element up to and including the index value.

Use a + after the index to reference the index value and every element after it. a