set_value

Description:

public virtual void set_value (string name, Value value)

Set the specified metadata value.

If value is null the default value from the associated ParamSpec is used. This operation will fail if the value has not been previously declared. A `changed:GeglMetadataStore:name` signal is emitted when the value is set. If the value is shadowed by a property a `notify:GeglMetadataStore:name` signal is also emitted.

Parameters:

this	A MetadataStore
name	Metadata name
value	(nullable): A valid Value or null