Attribute flags

Array This attribute contains an array of values of the specified type. Use the # construct in MEL to access the individual elements of the array.

Output You can connect this attribute to an input of another node.

Input You can connect an output of another node to this attribute.

Connectable You can connect this attribute to a compatible attribute of another node.

Stored The value of this attribute is stored with the scene file.

Keyable This attribute can be keyframed.

Hidden This attribute is not visible in the attribute editor.