Servingxml - Increment parameter value for use it as a sequence number

[Jose Maria Suarez]

Hi everyone,

I'm trying to map csv file to xml using servingxml. One of mapping consist in take a number for parameter command and then increment for then use it as sequence number.

I could take this parameter, but i couldn't increment this and then save it for then use again.

I'm a newbie in servingxml :(. could anyone help me?