ID3V2UserDefinedFrame class

Represents a TXXX frame in an ID3V2Tag.

Inheritance: ID3V2UserDefinedFrame → ID3V2TagFrame → CustomPackage → MetadataPackage

The ID3V2UserDefinedFrame type exposes the following members:

Constructor	Description
`__init__(self, description, value)`	Initializes a new instance of the `ID3V2UserDefinedFrame` class.
`__init__(self, encoding, description, value)`	Initializes a new instance of the `ID3V2UserDefinedFrame` class.

Property	Description
metadata_type	Gets the metadata type.
keys	Gets a collection of the metadata property names.
property_descriptors	Gets a collection of descriptors that contain information about properties accessible through the GroupDocs.Metadata search engine.
count	Gets the number of metadata properties.
id	Gets the id of the frame (four characters matching the pattern [A-Z0-9]).
flags	Gets the frame flags.
data	Gets the frame data.
encoding	Gets the encoding of the frame.
description	Gets the description.
value	Gets the value.

Method	Description
`contains(self, property_name)`	Determines whether the package contains a metadata property with the specified name.
`find_properties(self, specification)`	Finds the metadata properties satisfying a specification. The search is recursive so it affects all nested packages as well.
`update_properties(self, specification, value)`	Updates known metadata properties satisfying a specification. The operation is recursive so it affects all nested packages as well.
`remove_properties(self, specification)`	Removes metadata properties satisfying a specification.
`add_properties(self, specification, value)`	Adds known metadata properties satisfying the specification. The operation is recursive so it affects all nested packages as well.
`set_properties(self, specification, value)`	Sets known metadata properties satisfying the specification. The operation is recursive so it affects all nested packages as well. This method is a combination of `MetadataPackage.add_properties` and `MetadataPackage.update_properties`. If an existing property satisfies the specification its value is updated. If there is a known property missing in the package that satisfies the specification it is added to the package.
`sanitize(self)`	Removes writable metadata properties from the package. The operation is recursive so it affects all nested packages as well.

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