Returns the Office 365 Compliance Tags which have been published to a site collection

Get Compliance Tags Available for a Site Collection

POST https://tenant.sharepoint.com/sites/siteurl/_vti_bin/client.svc/ProcessQuery HTTP/1.1
X-RequestDigest: {digest}
Content-Type: text/xml

<Request AddExpandoFieldTypeSuffix="true" SchemaVersion="15.0.0.0" LibraryVersion="16.0.0.0" ApplicationName=".NET Library" xmlns="http://schemas.microsoft.com/sharepoint/clientquery/2009">
  <Actions>
    <StaticMethod TypeId="{9efa17eb-0d34-4f69-a085-5cc3f802439e}" Name="GetAvailableTagsForSite" Id="22">
      <Parameters>
        <Parameter Type="String">https://tenant.sharepoint.com/sites/siteurl</Parameter>
      </Parameters>
    </StaticMethod>
  </Actions>
  <ObjectPaths />
</Request>

RESPONSE
[
  {
    "SchemaVersion": "15.0.0.0",
    "LibraryVersion": "16.0.9103.1219",
    "ErrorInfo": null,
    "TraceCorrelationId": "fc14f19e-70fd-9000-393c-5e81881bf60a"
  },
  22,
  [
    {
      "_ObjectType_": "SP.CompliancePolicy.ComplianceTag",
      "AcceptMessagesOnlyFromSendersOrMembers": false,
      "AccessType": null,
      "AllowAccessFromUnmanagedDevice": null,
      "AutoDelete": true,
      "BlockDelete": true,
      "BlockEdit": false,
      "ContainsSiteLabel": false,
      "DisplayName": "",
      "EncryptionRMSTemplateId": null,
      "HasRetentionAction": true,
      "IsEventTag": true,
      "Notes": null,
      "RequireSenderAuthenticationEnabled": false,
      "ReviewerEmail": null,
      "SharingCapabilities": null,
      "SuperLock": false,
      "TagDuration": 1,
      "TagId": "/Guid(019a5d69-2f1d-4bd9-92e5-5b919d69c50f)/",
      "TagName": "Content Closure",
      "TagRetentionBasedOn": "EventAgeInDays"
    },
    {
      "_ObjectType_": "SP.CompliancePolicy.ComplianceTag",
      "AcceptMessagesOnlyFromSendersOrMembers": false,
      "AccessType": null,
      "AllowAccessFromUnmanagedDevice": null,
      "AutoDelete": true,
      "BlockDelete": true,
      "BlockEdit": false,
      "ContainsSiteLabel": false,
      "DisplayName": "",
      "EncryptionRMSTemplateId": null,
      "HasRetentionAction": true,
      "IsEventTag": false,
      "Notes": "User description of EDMS 1 Year (delete)",
      "RequireSenderAuthenticationEnabled": false,
      "ReviewerEmail": "[email protected]",
      "SharingCapabilities": null,
      "SuperLock": false,
      "TagDuration": 365,
      "TagId": "/Guid(ac5d1b6c-d70b-428d-a551-f04f91dff846)/",
      "TagName": "EDMS 1 Year (delete)",
      "TagRetentionBasedOn": "ModificationAgeInDays"
    }
  ]
]