When using webhooks in routing rules you can utilize the following variables to get or post information to a specific url:

The full list of variables you can use in the body of these webhooks for tickets is as follows:
AssetId
SiteId
Site
ProductId
CreatedDate
ModifiedDate
AssetTypeId
AssetTypeName
IsDeleted
IsTraining
StatusTypeId
Status
AssetTag
SerialNumber
ExternalId
Name
CanOwnerManage
CanSubmitTicket
IsFavorite
ModelId
Model
OwnerId
Owner
LocationId
Location
LocationDetails
Notes
HasOpenTickets
OpenTickets
PurchasePoNumber
WarrantyInfo
InvoiceNumber
Vendor
InsuranceInfo
IsReadOnly
IsExternallyManaged
StorageUnitNumber
AssetAuditPolicyStatusName
AssetAuditPolicyScheduleName
AssetAuditPolicyName
AssetAuditPolicyStatusSortOrder
LastVerificationTypeId
LastVerificationTypeName
LastVerificationSuccessful
LastVerificationComments
LastVerificationLocationName