Output-files.md

@@ -31,7 +31,8 @@ cp -r outprefix* new-location
 |`outprefix`_problem-definition.h | Copy of used for compilation `problem-definition.h` file | |RP|
 |`outprefix`_logger.h | Copy of used for compilation `logger.h` file | |RP|
 |`outprefix`_checkpoint.dat| Binary file with checkpoint for `st` code. | The file is generated when `checkpoint 1`. This is the only file requested by the `st` code when starting with `inittype 5`. |R|
-|`outprefix`_checkpoint.dat.init| Binary file with checkpoint for `st` code used as input| The file is generated when `inittype 5`. |RP|
+|`outprefix`_checkpoint.dat.init| Binary file with checkpoint for `st` code used as input (st codes only)| The file is generated when `inittype 5`. |RP|
+|`outprefix`_extra_data.dat| Binary file with the extra_data array.| The file is generated only if `get_extra_data_size` returns non-zero value. |RP|
 |`outprefix`_reprowf.tar| Tar file with reproducibility pack for restoring input wave-functions (td codes only)| The file is generated when `inittype=1,2,3`. |RP|
 |`outprefix`/| Folder with checkpoint and wave-functions | This folder main contains a lot of data.<br>  Its content depends on flags in input file. |R|
 |`outprefix`/checkpoint.s*x*dpca| Binary file with checkpoint for `st` code. **DEPRECATED**| *x*  stands for the code dimensionality. The file is generated when `checkpoint 1`. This is the only file requested by the `st` code when starting with `inittype 5`. **DEPRECATED**|R|