This website is for version 5. You can find the documentation for version 4 here.


class altair.SortField(field=Undefined, order=Undefined, **kwds)#

SortField schema wrapper A sort definition for transform

fieldstr, FieldName

The name of the field to sort.

orderNone, SortOrder, Literal[‘ascending’, ‘descending’]

Whether to sort the field in ascending or descending order. One of "ascending" (default), "descending", or null (no not sort).

__init__(field=Undefined, order=Undefined, **kwds)#


__init__([field, order])

copy([deep, ignore])

Return a copy of the object

from_dict(dct[, validate, _wrapper_classes])

Construct class from a dictionary representation

from_json(json_string[, validate])

Instantiate the object from a valid JSON string


Resolve references in the context of this object's schema or root schema.

to_dict([validate, ignore, context])

Return a dictionary representation of the object

to_json([validate, indent, sort_keys, ...])

Emit the JSON representation for this object as a string.

validate(instance[, schema])

Validate the instance against the class schema in the context of the rootschema.

validate_property(name, value[, schema])

Validate a property against property schema in the context of the rootschema