The AttributeMetadataInterface object contains the following attributes:

Attribute
Type
Description
attribute_labels
[StoreLabels]
An array of attribute labels defined for the current store
code
String
The unique identifier for an attribute code. This value should be lowercase, without spaces
data_type
ObjectDataTypeEnum
The data type of the attribute
entity_type
AttributeEntityTypeEnum
The type of entity that defines the attribute
is_system
Boolean
Indicates whether the attribute is a system attribute
label
String
The label assigned to the attribute
sort_order
Int
The relative position of the attribute
uid
ID
The unique ID of an attribute
ui_input
UiInputTypeInterface
Frontend UI properties of the attribute