'Initialize an instance of :class:`DimensionDataTag`
:param asset_type: The type of asset.  Current asset types:
SERVER, VLAN, NETWORK_DOMAIN, CUSTOMER_IMAGE,
PUBLIC_IP_BLOCK, ACCOUNT
:type  asset_type: ``str``
:param asset_id: The GUID of the asset that is tagged
:type  asset_id: ``str``
:param asset_name: The name of the asset that is tagged
:type  asset_name: ``str``
:param datacenter: The short datacenter name of the tagged asset
:type  datacenter: ``str``
:param key: The tagged key
:type  key: :class:`DimensionDataTagKey`
:param value: The tagged value
:type  value: ``None`` or ``str``'

def __init__(self, asset_type, asset_id, asset_name, datacenter, key, value):

    self.asset_type = asset_type
    self.asset_id = asset_id
    self.asset_name = asset_name
    self.datacenter = datacenter
    self.key = key
    self.value = value
