How to add new datatype in ODI using groovy script

i am scripting a ODI mission the usage of groovy script. My requirement is to add new records type under the sq. server and Oracle generation. i can add them from the groovy editor however how can i do it using groovy script. i'm the use of Oracle data integrator (ODI) and the usage of groovy script for setting up responsibilities that migrate the statistics between square server to Oracle. Now I want to add new datatype datetmeoffset lacking underneath Oracle ODI square server era. additionally want to alternate some datatype mapping among square server and oracle underneath ODI generation the use of groovy.