curl --location --request GET '/tenants//appointments//staff//check_availablity?start_date'
{
"result": true,
"reason_of_unavailability": "string",
"unavailaibilty_data": [
{
"staff_id": 0,
"date": "2019-08-24T14:15:22Z",
"start_date": "2019-08-24T14:15:22Z",
"end_date": "2019-08-24T14:15:22Z",
"reason": "string"
}
]
}