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so this is working for a transfer call tool, it can read customer.number but it can not get customer.name it just says "customer.name"

"destinations": [
                {
                    "type": "number",
                    "number": "+170XXXXXX79",
                    "callerId": "{{customer.number}}",
                    "transferPlan": {
                        "mode": "warm-transfer-say-message",
                        "message": "Hi I have {{customer.name}} on the line, transfering now.",
                        "sipVerb": "refer"
                    },
                    "numberE164CheckEnabled": false
                }
            ]