The ID of the entity that is linking the staff. The meaning of the value depends on the value of LinkType:

• If LinkType = 0, this is the occurrence ID.
• If LinkType = 1, this is the class (instance) ID.
• If LinkType = 2, this is the enrolment ID.
• If LinkType = 3, this is the contract ID.
• If LinkType = 4, this is the event ID.

public int LinkEntityId;