Create the working hours for an employment

Activity name : <a href="https://developer.loket.nl/Activities/PostWorkingHoursByEmploymentId" target="_blank">PostWorkingHoursByEmploymentId</a> <br/> <br/> Create a new working hours record for an employment<br/> Please note that so-called chain validation exists for working hours records. In other words, the time periods of records for an employment cannot overlap with each other.<br/> A new or changed startDate affects the endDate of its preceding record.<br/> When POST-ing a new record, the startDate must be greater then the preceding record's startDate.

Metadata : Possible options for fields of the type 'metadata' can be acquired (GET) by adding /metadata to the POST URL.

Defaults : Default values for a new object can be acquired by adding `/defaults' to the POST URL.