# Revision history [back]

### Listing AgentIdentifier field missing from listing classes for GFBR

The listing classes have the listing agent usercode and logonname, but not the listing agent Identifier, however the agent class has neither the usercode or logonname so it's impossible to link the agent data with the listing data.

### Listing AgentIdentifier field missing from listing classes for GFBR

The listing classes have the listing agent usercode and logonname, but not the listing agent Identifier, however the agent class has neither the usercode or logonname so it's impossible to link the agent data with the listing data.data. Same goes for secondary listing agent and sold agent.