ISO 10303-214:2010(E)
An Item_function_association is a mechanism to relate a Product_function and a Design_discipline_item_definition.
The data associated with an Item_function_association are the following:
The associated_function specifies the associated Product_function.
NOTE The semantics of this attribute are defined by the attribute association_type.
See item_function_association to product_function for the application assertion.
The associated_item specifies the Design_discipline_item_definition that is associated with the Product_function.
See item_function_association to design_discipline_item_definition for the application assertion.
The association_type specifies the kind of association.
Where applicable the following values shall be used:
The description specifies additional information about the Item_function_association.
See item_function_association to multi_language_string for the application assertion.
The description need not be specified for a particular Item_function_association.
If present, there shall be exactly one object that defines the description for an Item_function_association.
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