more update that:
[{"id":"c7780f7b.e52008","type":"inject","z":"11049fd.f81936","name":"","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":140,"y":1040,"wires":[["9b8e62ff.4a90f8"]]},{"id":"a3f73bd0.6874f8","type":"debug","z":"11049fd.f81936","name":"23","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","x":630,"y":1040,"wires":[]},{"id":"9b8e62ff.4a90f8","type":"file","z":"11049fd.f81936","name":"/home/user/nodered_file/123.log","filename":"/home/user/nodered_file/this_is_test.log","appendNewline":true,"createDir":true,"overwriteFile":"false","encoding":"none","x":400,"y":1040,"wires":[["a3f73bd0.6874f8"]]},{"id":"7ff69763.5aa1b8","type":"file in","z":"11049fd.f81936","name":"/home/user/nodered_file/123.log","filename":"/home/user/nodered_file/123.log","format":"utf8","chunk":false,"sendError":false,"encoding":"none","x":480,"y":1160,"wires":[["160b9bb5.9d7f5c"]]},{"id":"c4744f2e.2fdda8","type":"inject","z":"11049fd.f81936","name":"","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":160,"y":1160,"wires":[["7ff69763.5aa1b8","214d0440.a93d7c"]]},{"id":"160b9bb5.9d7f5c","type":"debug","z":"11049fd.f81936","name":"24","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","x":730,"y":1160,"wires":[]},{"id":"214d0440.a93d7c","type":"file in","z":"11049fd.f81936","name":"/home/user/nodered_file/this_is_test.log","filename":"/home/user/nodered_file/this_is_test.log","format":"utf8","chunk":false,"sendError":false,"encoding":"none","x":510,"y":1260,"wires":[["fb53b36b.99682"]]},{"id":"fb53b36b.99682","type":"debug","z":"11049fd.f81936","name":"25","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","targetType":"msg","x":790,"y":1260,"wires":[]}]
i cannot locate the file in my node red server....