# Index document with Linux CLI curl and custom document timestamp
**URL:** https://discuss.elastic.co/t/index-document-with-linux-cli-curl-and-custom-document-timestamp/89382
**Category:** Elasticsearch
**Created:** [June 14, 2017, 1:27pm UTC](https://discuss.elastic.co/t/index-document-with-linux-cli-curl-and-custom-document-timestamp/89382 "2017-06-14T13:27:14Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@domisan](https://discuss.elastic.co/u/domisan)
#### Post date: [June 14, 2017, 1:27pm UTC](https://discuss.elastic.co/t/index-document-with-linux-cli-curl-and-custom-document-timestamp/89382/1 "2017-06-14T13:27:14Z")
Seems like a silly question but I'm not getting the result I want.
I have millions of documents being indexed in ES coming from Logstash and I'm always depending on the 'default' mappings and I'm happy to see a @timestamp field with the date/time stamp of the indexing time. I also have documents (coming from logs files) where I 'translate' the date/time stamp from the log record into the @timetamp in the final document (done in Logstash).
Now I need to generate documents for storage in ES and I need to use the Linux CLI curl to do this. The documents may be generated with a timestamp different from the current time. I don't find a way to do this in ES 5.x. How do I do something like:
```
curl -H "Content-Type: application/json" -XPOST "host:9200/metrics-${today}/metric/" -d "{
"metric_name": "queue.depth",
"metric_value_int": 10,
"@timestamp": 1497446650
}"
```
Apparently I can't use @timestamp or \_timestamp and using 'timestamp' simply creates a field by that name. Note, the actual timestamp format (in this example epoch seconds) isn't important...
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 12, 2017, 1:27pm UTC](https://discuss.elastic.co/t/index-document-with-linux-cli-curl-and-custom-document-timestamp/89382/2 "2017-07-12T13:27:22Z")
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