OPIM SS6 - mapping for custom OPM pipeline property

Hi,

Say I have a custom property for PIPELINE in OPM, named PID_NO. Is there away to map that to OPIM? Essentially what I'm looking for is some process similar to this

http://communities.bentley.com/products/plant/design___engineering/w/plant_design_and_engineering__wiki/28494.how-to-add-new-schema-field-to-component-for-custom-tagging-in-openplant-isometrics-manager

But for pipelines, not components.

Best regards,

Tuan