Time slots
==========

Time slots indicate a simple time period, such as a few hours, a day or a week.
They are represented as an object with two properties: `from` and `to`.

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Attribute             Type               Required                           Description
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from                  string or number   ✓                                  Start time of the time slot. The
                                                                            format is either an ISO 8601 formatted
                                                                            string (`2022-10-13T14:58:90+02:00`)
                                                                            or a number representing the number of
                                                                            seconds since the Unix epoch.
to                    string or number   ✓                                  End time of the time slot. The
                                                                            format is either an ISO 8601 formatted
                                                                            string (`2022-10-13T14:58:90+02:00`)
                                                                            or a number representing the number of
                                                                            seconds since the Unix epoch.
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