**To upload part of an object by copying data from an existing object as the data source** The following ``upload-part-copy`` example uploads a part by copying data from an existing object as a data source. :: aws s3api upload-part-copy \ --bucket my-bucket \ --key "Map_Data_June.mp4" \ --copy-source "my-bucket/copy_of_Map_Data_June.mp4" \ --part-number 1 \ --upload-id "bq0tdE1CDpWQYRPLHuNG50xAT6pA5D.m_RiBy0ggOH6b13pVRY7QjvLlf75iFdJqp_2wztk5hvpUM2SesXgrzbehG5hViyktrfANpAD0NO.Nk3XREBqvGeZF6U3ipiSm" Output:: { "CopyPartResult": { "LastModified": "2019-12-13T23:16:03.000Z", "ETag": "\"711470fc377698c393d94aed6305e245\"" } }