The Object Discovery Agent Development Kit (ODK) API uses the ODKConstant interface to provide general constants to the Object Discovery Agent (ODA). Any class that implements the ODKConstant interface can access its defined constants directly. For example, if the TreeNode class implements the ODKConstant interface, its methods can access the MSG_QUESTION constant as follows:
int message_icon = MSG_QUESTION;
The ODKConstant interface defines static member variables to represent the following kinds of constants: