# IRPCObjectOperations.CheckOutMultiple

Location: [gRPC API](https://developer.m-files.com/APIs/gRPC-API/index.md) > [Vault API](https://developer.m-files.com/APIs/gRPC-API/vault/index.md) > [Objects, versions, properties and files](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectOperations/index.md)

HTML version: https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectOperations/CheckOutMultiple/

Badges: `Vault API / core` `write` `session or assertion` `returns metadata structure version`

Checks out several objects in one call.

- **Service:** [Objects, versions, properties and files](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectOperations/index.md) `MFiles.IRPCObjectOperations`
- **gRPC method:** `/MFiles.IRPCObjectOperations/CheckOutMultiple`
- **HTTP (mf-http-grpc):** `POST /grpc/v1/check-out-multiple`
- **Request:** [`CheckOutMultipleRequest`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectOperations/CheckOutMultiple/index.md#request)
- **Response:** [`CheckOutMultipleResponse`](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectOperations/CheckOutMultiple/index.md#response)
- **Book and level:** Vault API, core
- **Kind:** write
- **Session:** Required: a session (mfiles-session-id-bin metadata) or a session assertion (x-mf-session-assertion metadata).
- **Idempotent:** no
- **Returns metadata structure version:** yes (in the mfiles-metadata-version-bin trailer)
- **Streaming:** none (unary)

<a id="remarks"></a>

## Remarks

Each object behaves as in [CheckOut](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectOperations/CheckOut/index.md).
`checked_out_versions` and `previous_versions` are in the order of `obj_ids`.

<a id="request"></a>

## Request: CheckOutMultipleRequest

> Nested message fields are expanded to depth 3; follow a type link for deeper levels and for the type's own page.

| Field | Type | Description |
|---|---|---|
| `obj_ids[]` | repeated [`ObjID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjID/index.md) | Objects. |
| `obj_ids[].type` | `int32` | The object type ID, for example 0 for documents. In a lookup value, the value list ID (for a lookup to objects, the object type ID). |
| `obj_ids[].item_id` | [`ItemID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ItemID/index.md) | The ID of the object within its type, in `item_id.internal_id`. |
| `obj_ids[].item_id.internal_id` | `int32` | The ID of the object or value list item. |
| `obj_ids[].item_id.external_repository_id` | [`ExternalRepositoryID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ExternalRepositoryID/index.md) | Used only for objects in external repositories (external connectors). Leave it unset for objects stored in the vault. |

<a id="response"></a>

## Response: CheckOutMultipleResponse

> Nested message fields are expanded to depth 3; follow a type link for deeper levels and for the type's own page. Fields marked (recursive) refer to a type already on their path.

| Field | Type | Description |
|---|---|---|
| `checked_out_versions[]` | repeated [`ObjectVersionExWP`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectVersionExWP/index.md) | Results. |
| `checked_out_versions[].object_version` | [`ObjectVersionEx`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectVersionEx/index.md) | Object info. |
| `checked_out_versions[].object_version.version_info` | [`ObjectVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectVersion/index.md) | Object Version information. |
| `checked_out_versions[].object_version.object_info` | [`ObjectLevelInfo`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectLevelInfo/index.md) | Object-level information. |
| `checked_out_versions[].properties[]` | repeated [`PropertyValue`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.PropertyValue/index.md) | Property values, or an empty array. |
| `checked_out_versions[].properties[].property_def` | `int32` | The property definition ID, for example 0 for "Name or title" or 100 for "Class". |
| `checked_out_versions[].properties[].value` | [`TypedValue`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.TypedValue/index.md) | The value. Its `type` must match the data type of the property definition. |
| `checked_out_versions[].acl` | [`AccessControlList`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.AccessControlList/index.md) | If set, ACL. |
| `checked_out_versions[].acl.checked_out_to_user` | `int32` | Specifies the ID of the user who has extended rights because of the checkout operation performed by her. 0 if such user does not exist. |
| `checked_out_versions[].acl.is_fully_authoritative` | `bool` | Specifies whether this access control list is set to ignore the secondary permissions that come from the latest checked in version. |
| `checked_out_versions[].acl.custom_component` | [`AccessControlListComponent`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.AccessControlListComponent/index.md) | Accesses the custom component of this ACL. |
| `checked_out_versions[].acl.restrictive_components[]` | repeated [`AccessControlListComponentMapEntry`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.AccessControlListComponentMapEntry/index.md) | Accesses the restrictive automatic components of this ACL. |
| `checked_out_versions[].acl.secondary_access_control_list` | [`AccessControlList`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.AccessControlList/index.md) (recursive) | Secondary ACL used for latest version ACL. Not used for access check if null. |
| `checked_out_versions[].acl.additive_components[]` | repeated [`AccessControlListComponentMapEntry`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.AccessControlListComponentMapEntry/index.md) | Accesses the additive automatic components of this ACL. |
| `checked_out_versions[].current_user_permissions` | [`ObjectPermissionsForClient`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectPermissionsForClient/index.md) | If set, permissions of the object version. |
| `checked_out_versions[].current_user_permissions.can_user_see` | `bool` | The object is visible for the current user (provided for symmetry). |
| `checked_out_versions[].current_user_permissions.can_user_edit` | `bool` | The current user can edit the object. |
| `checked_out_versions[].current_user_permissions.can_user_delete` | `bool` | The current user can delete the object. |
| `checked_out_versions[].current_user_permissions.can_user_change_permissions` | `bool` | The current user can change the object permissions. |
| `previous_versions[]` | repeated [`ObjectVersionEx`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectVersionEx/index.md) | Results. |
| `previous_versions[].version_info` | [`ObjectVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectVersion/index.md) | Object Version information. |
| `previous_versions[].version_info.version` | [`ObjVerVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjVerVersion/index.md) | The version number, as a specific version. |
| `previous_versions[].version_info.display_version` | `string` | The version label to show, if it differs from the version number; empty otherwise. |
| `previous_versions[].version_info.title` | `string` | The title (name) of the object in this version. |
| `previous_versions[].version_info.is_single_file_object` | `bool` | True if the object is a single-file document, which has exactly one file. |
| `previous_versions[].version_info.has_relationships_from_this` | `bool` | Note: this field is deprecated. True if relationships from this object version to one or more documents exist. |
| `previous_versions[].version_info.has_relationships_to_this` | `bool` | Note: this field is deprecated. True if relationships from one or more documents to this object version exist. |
| `previous_versions[].version_info.has_assignments` | `bool` | True if relationships from one or more assignments to this object version exist. |
| `previous_versions[].version_info.last_modified_at_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | When the version was last modified, in UTC. |
| `previous_versions[].version_info.files[]` | repeated [`File`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.File/index.md) | The files of this version. Each `file_ver` can be passed to `DownloadFile_Begin`. |
| `previous_versions[].version_info.object_version_flags` | [`OBJVERFLAGS`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.OBJVERFLAGS/index.md) | Bit flags that provide additional information on the object version. |
| `previous_versions[].version_info.class_id` | `int32` | The class ID of the version. |
| `previous_versions[].version_info.version_guid` | `string` | The GUID of this version. |
| `previous_versions[].version_info.base_properties[]` | repeated [`PropertyValue`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.PropertyValue/index.md) | Not filled by the object read methods; read the property values with `GetObjectVersionAndPropertiesOfMultipleObjects` or `GetProperties`. |
| `previous_versions[].version_info.primary_file` | [`FileID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.FileID/index.md) | File ID of the primary file of a multi-file object, if the object is a multi-file object. |
| `previous_versions[].object_info` | [`ObjectLevelInfo`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectLevelInfo/index.md) | Object-level information. |
| `previous_versions[].object_info.obj_id` | [`ObjID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjID/index.md) | The object type and ID of the object. |
| `previous_versions[].object_info.external_id_status` | [`ExtIDStatus`](https://developer.m-files.com/APIs/gRPC-API/Reference/Enums/MFiles.ExtIDStatus/index.md) | The status of this object's external ID. Values: `EXT_IDSTATUS_UNKNOWN` (0), `EXT_IDSTATUS_EXTERNAL` (1), `EXT_IDSTATUS_INTERNAL` (2), `EXT_IDSTATUS_DISCARDED` (3), `EXT_IDSTATUS_NOT_AVAILABLE` (4), `EXT_IDSTATUS_EXTERNAL_REDUCED` (5). |
| `previous_versions[].object_info.external_id` | `string` | The external ID (display ID) of this object. unset means that the external ID is the same as the internal ID. |
| `previous_versions[].object_info.checked_out_version` | [`ObjVerVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjVerVersion/index.md) | The version that is checked out. Version number 0 if the object is not checked out. |
| `previous_versions[].object_info.checked_out_to_user_id` | `int32` | The ID of the user who has the object checked out. |
| `previous_versions[].object_info.checked_out_to_user_name` | `string` | The user name of the user who has the object checked out. |
| `previous_versions[].object_info.checked_out_to_host_name` | `string` | The host name of the computer to which the object was checked out. |
| `previous_versions[].object_info.checked_out_at_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | The timestamp of the moment the object was checked out. |
| `previous_versions[].object_info.checked_in_version` | [`ObjVerVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjVerVersion/index.md) | The latest checked-in version. |
| `previous_versions[].object_info.created_at_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | The time when the object was created (same as the PROPERTYDEF_CREATED propertyvalue). |
| `previous_versions[].object_info.accessed_by_me_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | Accessed by me timestamp. Parallel operations may cause slight inconsistencies in the returned timestamp in rare cases and the precise value shouldn't be relied upon. The observed timestamp may even roll back. |
| `previous_versions[].object_info.guid` | `string` | The object GUID, in braces. The same value as `GetObjectGUID` returns. |
| `previous_versions[].object_info.options` | [`ITEMFLAGS`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ITEMFLAGS/index.md) | Bit flags that provide additional information on the object (e.g. is the object deleted or a stub). |
| `previous_versions[].object_info.original_vault_guid` | `string` | The GUID of the vault in which the object was originally created. |
| `previous_versions[].object_info.original_vault_obj_id` | [`ObjID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjID/index.md) | The original objid in the vault in which the object was originally created. |
| `previous_versions[].object_info.associated_view_id` | [`ItemID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ItemID/index.md) | Identifies the view associated with this object if any. |
| `previous_versions[].object_info.external_repository_icon_id` | `string` | If not null, identifies the icon of the object. Currently applicable only to unmanaged objects. |
| `previous_versions[].object_info.primary_view_id` | [`ItemID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ItemID/index.md) | If not null, identifies the primary view of the object that is also the default opening location of the object. Currently applicable only to unmanaged objects. |
| `previous_versions[].object_info.capabilities` | [`OBJECTCAPABILITYFLAGS`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.OBJECTCAPABILITYFLAGS/index.md) | Bit flags that provide information on the object capabilities. |
| `updated_objects[]` | repeated [`ObjectVersionEx`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectVersionEx/index.md) | Information about objects that were also updated during the operation. (represented by ObjectVersionEx structs.) |
| `updated_objects[].version_info` | [`ObjectVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectVersion/index.md) | Object Version information. |
| `updated_objects[].version_info.version` | [`ObjVerVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjVerVersion/index.md) | The version number, as a specific version. |
| `updated_objects[].version_info.display_version` | `string` | The version label to show, if it differs from the version number; empty otherwise. |
| `updated_objects[].version_info.title` | `string` | The title (name) of the object in this version. |
| `updated_objects[].version_info.is_single_file_object` | `bool` | True if the object is a single-file document, which has exactly one file. |
| `updated_objects[].version_info.has_relationships_from_this` | `bool` | Note: this field is deprecated. True if relationships from this object version to one or more documents exist. |
| `updated_objects[].version_info.has_relationships_to_this` | `bool` | Note: this field is deprecated. True if relationships from one or more documents to this object version exist. |
| `updated_objects[].version_info.has_assignments` | `bool` | True if relationships from one or more assignments to this object version exist. |
| `updated_objects[].version_info.last_modified_at_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | When the version was last modified, in UTC. |
| `updated_objects[].version_info.files[]` | repeated [`File`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.File/index.md) | The files of this version. Each `file_ver` can be passed to `DownloadFile_Begin`. |
| `updated_objects[].version_info.object_version_flags` | [`OBJVERFLAGS`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.OBJVERFLAGS/index.md) | Bit flags that provide additional information on the object version. |
| `updated_objects[].version_info.class_id` | `int32` | The class ID of the version. |
| `updated_objects[].version_info.version_guid` | `string` | The GUID of this version. |
| `updated_objects[].version_info.base_properties[]` | repeated [`PropertyValue`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.PropertyValue/index.md) | Not filled by the object read methods; read the property values with `GetObjectVersionAndPropertiesOfMultipleObjects` or `GetProperties`. |
| `updated_objects[].version_info.primary_file` | [`FileID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.FileID/index.md) | File ID of the primary file of a multi-file object, if the object is a multi-file object. |
| `updated_objects[].object_info` | [`ObjectLevelInfo`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjectLevelInfo/index.md) | Object-level information. |
| `updated_objects[].object_info.obj_id` | [`ObjID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjID/index.md) | The object type and ID of the object. |
| `updated_objects[].object_info.external_id_status` | [`ExtIDStatus`](https://developer.m-files.com/APIs/gRPC-API/Reference/Enums/MFiles.ExtIDStatus/index.md) | The status of this object's external ID. Values: `EXT_IDSTATUS_UNKNOWN` (0), `EXT_IDSTATUS_EXTERNAL` (1), `EXT_IDSTATUS_INTERNAL` (2), `EXT_IDSTATUS_DISCARDED` (3), `EXT_IDSTATUS_NOT_AVAILABLE` (4), `EXT_IDSTATUS_EXTERNAL_REDUCED` (5). |
| `updated_objects[].object_info.external_id` | `string` | The external ID (display ID) of this object. unset means that the external ID is the same as the internal ID. |
| `updated_objects[].object_info.checked_out_version` | [`ObjVerVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjVerVersion/index.md) | The version that is checked out. Version number 0 if the object is not checked out. |
| `updated_objects[].object_info.checked_out_to_user_id` | `int32` | The ID of the user who has the object checked out. |
| `updated_objects[].object_info.checked_out_to_user_name` | `string` | The user name of the user who has the object checked out. |
| `updated_objects[].object_info.checked_out_to_host_name` | `string` | The host name of the computer to which the object was checked out. |
| `updated_objects[].object_info.checked_out_at_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | The timestamp of the moment the object was checked out. |
| `updated_objects[].object_info.checked_in_version` | [`ObjVerVersion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjVerVersion/index.md) | The latest checked-in version. |
| `updated_objects[].object_info.created_at_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | The time when the object was created (same as the PROPERTYDEF_CREATED propertyvalue). |
| `updated_objects[].object_info.accessed_by_me_utc` | [`google.protobuf.Timestamp`](https://protobuf.dev/reference/protobuf/google.protobuf/#timestamp) | Accessed by me timestamp. Parallel operations may cause slight inconsistencies in the returned timestamp in rare cases and the precise value shouldn't be relied upon. The observed timestamp may even roll back. |
| `updated_objects[].object_info.guid` | `string` | The object GUID, in braces. The same value as `GetObjectGUID` returns. |
| `updated_objects[].object_info.options` | [`ITEMFLAGS`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ITEMFLAGS/index.md) | Bit flags that provide additional information on the object (e.g. is the object deleted or a stub). |
| `updated_objects[].object_info.original_vault_guid` | `string` | The GUID of the vault in which the object was originally created. |
| `updated_objects[].object_info.original_vault_obj_id` | [`ObjID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ObjID/index.md) | The original objid in the vault in which the object was originally created. |
| `updated_objects[].object_info.associated_view_id` | [`ItemID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ItemID/index.md) | Identifies the view associated with this object if any. |
| `updated_objects[].object_info.external_repository_icon_id` | `string` | If not null, identifies the icon of the object. Currently applicable only to unmanaged objects. |
| `updated_objects[].object_info.primary_view_id` | [`ItemID`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ItemID/index.md) | If not null, identifies the primary view of the object that is also the default opening location of the object. Currently applicable only to unmanaged objects. |
| `updated_objects[].object_info.capabilities` | [`OBJECTCAPABILITYFLAGS`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.OBJECTCAPABILITYFLAGS/index.md) | Bit flags that provide information on the object capabilities. |

<a id="related"></a>

## Related methods

- [CheckOut](https://developer.m-files.com/APIs/gRPC-API/Reference/MFiles.IRPCObjectOperations/CheckOut/index.md): Checks out one object.