@Hueseyin just tested it, and it is working fine for me. It seems like the issue you are having is because you do not have an expression referencing the ticket id on the trigger node. Check the example below, and it should work now.
{
"nodes": [
{
"parameters": {},
"name": "Start",
"type": "n8n-nodes-base.start",
"typeVersion": 1,
"position": [
250,
300
]
},
{
"parameters": {
"options": {},
"conditions": {
"all": [
{
"value": "new"
}
]
}
},
"name": "Ticket New",
"type": "n8n-nodes-base.zendeskTrigger",
"typeVersion": 1,
"position": [
490,
300
],
"webhookId": "d5af5680-5b74-40a2-b99d-ae26c06daea2",
"credentials": {
"zendeskApi": "zendesk api"
}
},
{
"parameters": {
"operation": "get",
"id": "={{$node[\"Ticket New\"].json[\"ticket.id\"]}}"
},
"name": "Get New Ticket",
"type": "n8n-nodes-base.zendesk",
"typeVersion": 1,
"position": [
770,
290
],
"credentials": {
"zendeskApi": "zendesk api"
}
},
{
"parameters": {
"channel": "ricardo",
"text": "New Ticket \n\n//Test by HD",
"as_user": true,
"attachments": [],
"otherOptions": {}
},
"name": "Push to Slack (New T)",
"type": "n8n-nodes-base.slack",
"typeVersion": 1,
"position": [
1020,
290
],
"credentials": {
"slackApi": "asasas"
}
}
],
"connections": {
"Ticket New": {
"main": [
[
{
"node": "Get New Ticket",
"type": "main",
"index": 0
}
]
]
},
"Get New Ticket": {
"main": [
[
{
"node": "Push to Slack (New T)",
"type": "main",
"index": 0
}
]
]
}
}
}