UCWAPresenceContacts.ps1

# Make my status Away
$postParams = @{availability="Away"} | convertto-json
$response = Invoke-WebRequest -Uri ($baseurl+$meurl.self.href+"/presence") -Method POST -Headers @{"Authorization"="Bearer $authcwt"} -Body $postParams -ContentType "application/json" -UseBasicParsing

# Make my status Busy
$postParams = @{availability="Busy"} | convertto-json
$response = Invoke-WebRequest -Uri ($baseurl+$meurl.self.href+"/presence") -Method POST -Headers @{"Authorization"="Bearer $authcwt"} -Body $postParams -ContentType "application/json" -UseBasicParsing

# Make my status Online
$postParams = @{availability="Online"} | convertto-json
$response = Invoke-WebRequest -Uri ($baseurl+$meurl.self.href+"/presence") -Method POST -Headers @{"Authorization"="Bearer $authcwt"} -Body $postParams -ContentType "application/json" -UseBasicParsing

# Make my status Do not disturb
$postParams = @{availability="Donotdisturb"} | convertto-json
$response = Invoke-WebRequest -Uri ($baseurl+$meurl.self.href+"/presence") -Method POST -Headers @{"Authorization"="Bearer $authcwt"} -Body $postParams -ContentType "application/json" -UseBasicParsing

# Get my Contacts
$response = Invoke-WebRequest -Uri ($baseurl+$peopleurl.myContacts.href) -Method Get -Headers @{"Authorization"="Bearer $authcwt"} -ContentType "application/json" -UseBasicParsing
$myContacts = $response.Content | ConvertFrom-Json
$myContacts._embedded.contact | Out-GridView

# Get the presense status of my contacts
$myContactsLinks = $(($response.content | ConvertFrom-JSON)._embedded.contact._links)

foreach ($contact in $myContactsLinks.contactPresence.href){  
    $presense = Invoke-WebRequest -Uri $($baseurl+ $Contact) -method GET -Headers @{"Authorization"="Bearer $authcwt"} -ContentType "application/json" -UseBasicParsing #| ConvertFrom-JSON | Select -ExpandProperty availability
    $contactPresense = $presense.Content | ConvertFrom-Json
    write-host $Contact.split("/")[7..7] "is on a" $contactPresense.deviceType "and is" $contactPresense.availability
}