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The following 4 methods are used:

1. ChangeLists.
2. ChangeItems.
3. GetLists.
4. GetItems.

ChangeLists method

This method is used to add, edit and delete lists.

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As an argument, the ChangeListsRequest structure is passed, in which 3 input data vectors are filled:

1. added_lists - − a vector of lists to add;
2. changed_lists - − a vector of lists to edit;
3. removed_list_ids - − a vector of list IDs to delete.

The lists themselves are a data structure with fields:

1. id - a −a list id;
2. name - − a list name;
3. description - − comments to a list;
4. score - − minimum recognition level, the default is 0.85;
5. item_ids - − a list of image IDs, which are used for recognition;
6. type - − recognition type, ELT_Face - for − for faces, ELT_LPR - − for license plate numbers, ELT_Food - for − for food (dishes).

Outputs

In response to the method, you will receive a summary of list IDs that could not be added, edited or deleted.

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As an argument, the ChangeItemsRequest structure is passed, in which 3 input data vectors are filled:

1. added_items - − a data vector to add;
2. changed_items - − a data vector to edit;
3. removed_item_ids - − a vector of data IDs to delete. 

The data are a data structure with fields:

1. id - − data id;
2. name - − data name;
3. description - − comments to data;
4. type - − data type,  DT_ImageFace - for − for faces, DT_Plate - for − for license plate numbers, DT_ImagesFood - for ImagesFood − for food (dishes);
5. data - − the data themself, depending on the type. For faces it is a single image, for food it is an array of images, for license for license plate numbers it is a number in the form of text.;
6. data_vectors - − vector of images (not specified).

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As an argument, the GetListsRequest structure is passed, in which 2 fields are filled:

1. list_ids - an − an array of list IDs, which should be received;
2. type - − the type of lists: ELT_Face, ELT_LPR, ELT_Food.

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As an argument, the GetItemsRequest structure is passed, in which 3 fields are filled:

1. item_ids - − an array of data IDs, which should be received;
2. load_images - − the flag indicating the need to display an image with the response;
3. load_vectors - the − the flag indicating the need to display the images vector.

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