Where consent is exceptionally used as the legal basis for employee data, whether it was free is judged on the employee's dependence under the contract and the circumstances; consent is given in writing or electronically, clearly separate from the employment contract, and the employer informs the employee in writing or electronically of the purpose and of the right to withdraw consent.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.