Type Alias clear_attribute

Clear an attribute for a collection or item.

Origin must be either ForceOrigin or Signed and the sender should be the Owner of the collection.

Any deposit is freed for the collection's owner.

• collection: The identifier of the collection whose item's metadata to clear.
• maybe_item: The identifier of the item whose metadata to clear.
• key: The key of the attribute.

Emits AttributeCleared.

Weight: O(1)