CASE WHEN {custcol_wrx_so_ireq} IS NULL THEN '<...
# suitescript
a
CASE WHEN {custcol_wrx_so_ireq} IS NULL THEN '<a href=/app/crm/calendar/task.nl?cf=61&whence=&item=' || {item.internalid} || '&so=' || {internalid} || '&price=' || {rate} ||'&con=' || {custcol_condition} ||'&qty=' || {quantity} ||'&rsd=' || {custbody_required_ship_date} ||'&ssd=' || {custbody_scheduled_ship_date} ||'&opp=' || {createdfrom.internalid} ||'&line=' || {line} ||'&title=' || {number} || '%20' || {item} ||' target=_blank>Create</a>'END