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AVEVA™ E3D Design

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Rule Purposes

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  • Last UpdatedJan 13, 2023
  • 1 minute read

Various rule types are available for different scenarios. The purpose attribute of a DRULE is used to specify the use of the rule. Depending on the type of rule, the rulatt or dkeyarray attributes of a DRULE may need to be set to inform the system which attribute or property the rule is attempting to set.

The following DRULE purposes are valid for the rules engine:

  • ATTR - Attribute rule. The rule sets the attribute indicated by the rulatt attribute on the DRULE.

  • DESP - Design Parameter Rule. The rule sets the design parameters indicated by the dkeyarray attribute.

  • SPRE - Specification Reference Rule. If the rule is associated with a template DDAT, it sets the spref of an element contained in a template. The dkeyarray can be set to the key of the template DDAT.

  • WDTR - Weld Detail Reference Rule. If the rule is associated with a JWELD, it sets the weld detail of the STWELD when created.

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