I am getting invalid error from purview workflow apacheatlas code

Question

I am getting the error from my python code. But iI got this workflow from Microsoft document. How can I regulate this error?

Failed to send JSON message: (Workflow.WorkflowDefinitionError.WorkflowDefinitionValidationErrors) Error(s) found in the workflow:
  WorkflowDefinitionError.WorkflowDefinitionValidationError: In action Send email notification: The expression @{triggerBody()['request']['term']['name']} is invalid.
  WorkflowDefinitionError.WorkflowDefinitionValidationError: In action Send email notification: The expression @{triggerBody()['request']['requestor']} is invalid.
  WorkflowDefinitionError.WorkflowDefinitionValidationError: In action Send reject email notification: The expression @{triggerBody()['request']['term']['name']} is invalid.
  WorkflowDefinitionError.WorkflowDefinitionValidationError: In action Send reject email notification: The expression @{triggerBody()['request']['requestor']} is invalid.

Code: Workflow.WorkflowDefinitionError.WorkflowDefinitionValidationErrors

from azure.purview.workflow import PurviewWorkflowClient
from dotenv import load_dotenv
from azure.core.exceptions import HttpResponseError 
import os
from azure.identity import ClientSecretCredential

config = load_dotenv(".env")
endpoint =os.getenv("endpoint")
tenant_id = os.getenv("tenant_id")
client_id = os.getenv("client_id")
client_secret = os.getenv("client_secret")

try:    
	workflow_id = str(uuid.uuid4())    
	workflow = {      "name": "Create glossary term workflow",      "description": "",      "triggers": [        {          "type": "when_term_creation_is_requested",          "underGlossaryHierarchy": "/glossaries/d998388b-9dce-438b-9042-d122a1ed1e66"        }      ],      "isEnabled": True,      "actionDag": {        "actions": {          "Start and wait for an approval": {            "type": "Approval",            "inputs": {              "parameters": {                "approvalType": "PendingOnAll",                "title": "Approval Request for Create Glossary Term",                "assignedTo": [                  "0e802fbf-5974-4ccd-a235-315068feba09"                ]              }            },            "runAfter": {}          },          "Condition": {            "type": "If",            "expression": {              "and": [                {                  "equals": [                    "@outputs('Start and wait for an approval')['body/outcome']",                    "Approved"                  ]                }              ]            },            "actions": {              "Create glossary term": {                "type": "CreateTerm",                "runAfter": {}              },              "Send email notification": {                "type": "EmailNotification",                "inputs": {                  "parameters": {                    "emailSubject": "Glossary Term Create - APPROVED",                    "emailMessage": "Your request for Glossary Term @{triggerBody()['request']['term']['name']} is approved.",                    "emailRecipients": [                      "@{triggerBody()['request']['requestor']}"                    ]                  }                },                "runAfter": {                  "Create glossary term": [                    "Succeeded"                  ]                }              }            },            "else": {              "actions": {                "Send reject email notification": {                  "type": "EmailNotification",                  "inputs": {                    "parameters": {                      "emailSubject": "Glossary Term Create - REJECTED",                      "emailMessage": "Your request for Glossary Term @{triggerBody()['request']['term']['name']} is rejected.",                      "emailRecipients": [                        "@{triggerBody()['request']['requestor']}"                      ]                    }                  },                  "runAfter": {}                }              }            },            "runAfter": {              "Start and wait for an approval": [                "Succeeded"              ]            }          }        }      }    }   
 	result = client.create_or_replace_workflow(workflow_id=workflow_id, workflow_create_or_update_command=workflow)    
	print(result)
except HttpResponseError as e:    
	print(f"Failed to send JSON message: {e}")