After generating the input template using generate-template, you can edit input JSON file at any point of time in an interactive manner.
admin [ /migration ]$ tcamigctl edit-template -h usage: tcamigctl edit-template [-h] [-a] input_file Edits template file (usually generated using generate template command) to modify appliance details in the interactive mode positional arguments: input_file input file containing TCA manager and TCA-CP details options: -h, --help show this help message and exit -a, --advanced if specified, enables advanced configuration such as skipping vCenter details