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EClass LabelQuery 
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Defines a label query. Label queries retrieve strings from the model that are fills the placeholders specified by aliases in label segments.

:ePackage: :doc:`displayableObjects <./EPackage_displayableObjects>`
:contained by: :doc:`LabelSegment <./EClass_displayableObjects_LabelSegment>`

EAttributes
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**alias** (EString)
     Defines the query alias. All occurences of the alias tag {alias} is replaced in the label segment.

**condition** (EString)
     Defines a condition that is tested if isConditional is set to true. If the condition is met the query is executed, otherwise the default value is returned.

**defaultValue** (EString)
     Defines the default value of the label. This value is returned if the condition is not met.

**isConditional** (EBoolean)
     Defines a condition. The condition must be EOQ query string. The query must evaluate to a Boolean value.

**prefix** (EString)
     Defines a prefix that is prepended to the query result.

**queryResultFormat** (EString)
     This attribute is undocumented.

**queryStr** (EString)
     Defines the query string.

**queryTarget** (:doc:`Target <./EENum_common_Target>`)
     Defines the query target.

**queryTargetAlias** (EString)
     References the target by alias. The target alias is only used if a CUSTOM query target is selected. You can only use an alias that already exists. Existing aliases are all aliases of objects that this label is nested in.

**suffix** (EString)
     Defines a suffix that is appended to the query result.


EReferences
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This eClass contains no references.