Sending SAP Script data in sap workflow form

Hi Experts,

I am using function module  SAP_WAPI_START_WORKFLOW and sending data via   IFS_XML_CONTAINER         = l_xml  . I need to send one table which have sapscript text fields ( containgin description ) or need to send a string field. the issue is that I am using workflow form and workflow form is based on a table , in this table i cant use string field. so either i have to send one more container which contains the data. how I can do it .