#### Description:

This attribute gives a space separated list of the names of all the variant Mappings associated with the current Frame (see attribute `"` Variant `"` ). If the current Frame has no variant Mappings, then the list will hold a single entry equal to the Domain name of the current Frame.

Type:

  String, read-only.

#### Applicability

##### FrameSet

All FrameSets have this attribute.
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