ISO 10303-214:2010(E)
A Document_assignment is a mechanism to associate a document with the objects, where the assigned document provides information about the object it is associated to.
Each Document_assignment may be a Partial_document_assignment.
The data associated with a Document_assignment are the following:
The assigned_document specifies the Document, a Document_version, a Document_representation, or a Document_file that is used to provide information.
See document_assignment to document, document_assignment to document_file, document_assignment to document_representation, and document_assignment to document_version for the application assertions.
There shall be exactly one object that defines the assigned_document for a Document_assignment.
The is_assigned_to specifies the objects that information is provided for.
EXAMPLE A document assigned to Activity_element may provide further description of the input or output of that activity.
See document_assignment to activity, document_assignment to activity_element, document_assignment to activity_method, document_assignment to approval, document_assignment to catalogue_thread, document_assignment to certification, document_assignment to change, document_assignment to class_structure_relationship, document_assignment to classification_attribute, document_assignment to classification_system, document_assignment to complex_product, document_assignment to contract, document_assignment to descriptive_specification, document_assignment to design_constraint, document_assignment to design_discipline_item_definition, document_assignment to drawing_sheet, document_assignment to feature_definition, document_assignment to general_classification, document_assignment to general_feature, document_assignment to item, document_assignment to item_definition_instance_relationship, document_assignment to item_definition_relationship, document_assignment to item_instance, document_assignment to item_instance_relationship, document_assignment to item_shape, document_assignment to item_version, document_assignment to material, document_assignment to organization, document_assignment to path, document_assignment to person, document_assignment to physical_assembly_relationship, document_assignment to physical_instance, document_assignment to physical_instance_test_result, document_assignment to process_operation_occurrence, document_assignment to process_plan, document_assignment to product_class, document_assignment to product_identification, document_assignment to product_structure_relationship, document_assignment to profile, document_assignment to project, document_assignment to property, document_assignment to retention_period, document_assignment to security_classification, document_assignment to shape_element, document_assignment to shape_element_relationship, document_assignment to specific_item_classification, document_assignment to specification, document_assignment to specification_category, document_assignment to surface_condition, document_assignment to thread_feature, document_assignment to transition_feature, document_assignment to view_area, document_assignment to work_order, and document_assignment to work_request for the application assertions.
There shall be at least one object that the Document_assignment is_assigned_to.
The role specifies the meaning of the Document_assignment.
Where applicable the following values shall be used:
NOTE The document shall be assigned to a Design_discipline_item_definition.
EXAMPLE For a Product_component there is a textual document assigned, explaining the functionality, size, and other characteristics by a Document_assignment with role 'description'. Another document, representing the specification of the Product_class, in which the Product_component is used, is also assigned to the same Product_component by a Document_assignment with role 'additional information'.
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