def put_inventory(InstanceId=None, Items=None):
    """
    Bulk update custom inventory items on one more instance. The request adds an inventory item, if it doesn't already exist, or updates an inventory item, if it does exist.
    See also: AWS API Documentation
    
    
    :example: response = client.put_inventory(
        InstanceId='string',
        Items=[
            {
                'TypeName': 'string',
                'SchemaVersion': 'string',
                'CaptureTime': 'string',
                'ContentHash': 'string',
                'Content': [
                    {
                        'string': 'string'
                    },
                ]
            },
        ]
    )
    
    
    :type InstanceId: string
    :param InstanceId: [REQUIRED]
            One or more instance IDs where you want to add or update inventory items.
            

    :type Items: list
    :param Items: [REQUIRED]
            The inventory items that you want to add or update on instances.
            (dict) --Information collected from managed instances based on your inventory policy document
            TypeName (string) -- [REQUIRED]The name of the inventory type. Default inventory item type names start with AWS. Custom inventory type names will start with Custom. Default inventory item types include the following: AWS:AWSComponent, AWS:Application, AWS:InstanceInformation, AWS:Network, and AWS:WindowsUpdate.
            SchemaVersion (string) -- [REQUIRED]The schema version for the inventory item.
            CaptureTime (string) -- [REQUIRED]The time the inventory information was collected.
            ContentHash (string) --MD5 hash of the inventory item type contents. The content hash is used to determine whether to update inventory information. The PutInventory API does not update the inventory item type contents if the MD5 hash has not changed since last update.
            Content (list) --The inventory data of the inventory type.
            (dict) --
            (string) --
            (string) --
            
            
            

    :rtype: dict
    :return: {}
    
    
    :returns: 
    (dict) --
    
    """
    pass
