Get all employment contract details

Get all employment contract details.
If no pagination parameters specified, the default/max is applied.
Permissions - UKG Pro service account must have "View" role for the "Personnel Integration" Web Service. Headers - US-Customer-Api-Key, Authorization (base64 encoded {username}:{password}).
Correct syntax when using date-time parameters are as follows:

• less than (=<)
  • Example: /employee-contract-details?dateTimeCreated=<01-01-1900
• greater than (=>)
  • Example: /employee-contract-details?dateTimeCreated=>01-01-1900
• equal to (=)
  • Example: /employee-contract-details?dateTimeCreated=01-01-1900
• between (={minimum date,maximum date})
  • Example: /employee-contract-details?dateTimeCreated={01-01-1900,01-01-1901}