How to replace image on layer use After Effect API

Greetings everyone,

I have a one big problem, me need to replace image on layer use After Effect API.

Will create a new footage with my new image:

AEGP_FootageH footageH = NULL;

ERR(suites.FootageSuite5()->AEGP_NewFootage(S_my_id,

   psd_path,

   &key1,

   NULL,

   FALSE,

   NULL,

   &footageH));

  AEGP_ItemH layer_itemH = NULL;

  ERR(suites.FootageSuite5()->AEGP_AddFootageToProject(footageH, new_folderH, &layer_itemH));

Then I have a footage handler footageH

and handler of my layer with old exists image.

AEGP_ItemH itemH.

Please

How to replace exists image on my layer ?

I not founded nothing in the Google, Documentation and Examples.