Significance complex property

[LaurensJN]

Related to #3. The significance is defined as a complex property with 3 simple properties: SignificanceValue (the actual data), SignificanceType, SignificanceDescription.

A cultural heritage object:

• must have an significance property with as significance type OverallSignificance.
• Furthermore, it may have multiple significance properties with other significance types.
• Lastly, no object can have two significance properties of the same type.
• (SignificanceDescription should only be required if SignificanceType is not one of the following: OverallSignificance, historicalSignificance, aestheticSignificance, scientificSignificance, socialSignificance

How do I specify this with IfcDoc?

[pjanck]

This is above my knowledge. Especially for the third point, I don't know how to specify this in an MVDxml ...