altair.condition¶
- 
altair.condition(predicate, if_true, if_false, **kwargs)¶ A conditional attribute or encoding
- Parameters
 - predicate: Selection, PredicateComposition, expr.Expression, dict, or string
 the selection predicate or test predicate for the condition. if a string is passed, it will be treated as a test operand.
- if_true:
 the spec or object to use if the selection predicate is true
- if_false:
 the spec or object to use if the selection predicate is false
- **kwargs:
 additional keyword args are added to the resulting dict
- Returns
 - spec: dict or VegaLiteSchema
 the spec that describes the condition