SAP PI mapping UDF for splitting Description field into multiple targets field

Hi SAP PI expert ,

Need below help for UDF at Node Level And field level

SAP PI mapping UDF for splitting Description field into multiple targets field

-Description length is Dynamic it can below 60 Char or can be 240 at max target field can hold 70 Chars

1

Node – - Node 1

Description (140 Char) based on the length – UDF - Target Des (70)

-Node2

-Target Des (70)

2

Node – Node 1

Description (210 Char) based on the length – UDF - - Target Des (70)

-Node2

-Target Des (70)

- Node3

-Target Des (70)