# Assign or clear pallet Client Endpoint: PATCH /integration/rest/api/v1/track/{trackId}/client Version: v0 Security: X-AUTH-KEY ## Path parameters: - `trackId` (string, required) ## Request fields (application/json): - `client` (string) Client external ID or UUID. Null or blank clears the assignment. ## Response 404 fields (*/*): - `code` (string) Error code - `message` (string) Error message - `timeStamp` (integer) Timestamp - `correlationId` (string) Correlation id ## Response 500 fields (*/*): - `code` (string) Error code - `message` (string) Error message - `timeStamp` (integer) Timestamp - `correlationId` (string) Correlation id