# SYSTEMDATACONTAINERMESSAGES: Data Dictionary Data Container Messages Messages per active data container. - Catalog: `DataDictionary` - Schema: `Invantive` - Alias: `dme` - Label: Data Container Messages This is a read-only view. The Data Dictionary API may not support changing the data or the Invantive UniversalSQL driver for Data Dictionary does not cover it. In the latter case, please use the table NativePlatformScalarRequests to upload data to the Data Dictionary API. ## View Columns The columns of the view `SYSTEMDATACONTAINERMESSAGES` are shown below. Each column has an SQL data type. | Name | Data Type | Label | Required | Documentation | |---|:---:|---|:---:|---| | `CHANNEL_NAME` | `varchar2` | Channel Name | | Name of the channel within the source. | | `PAYLOAD` | `varchar2` | Payload | | Message text. | | `PROVIDER_DATA_CONTAINER_ALIAS` | `varchar2`(4000) | Data Container Alias | ☐ | Data container alias. | | `PROVIDER_DATA_CONTAINER_ID` | `varchar2`(4000) | Data Container ID | ☐ | Data container ID. | | `PROVIDER_DESCRIPTION` | `varchar2`(16000) | Provider Description | ☑ | Provider description. | | `PROVIDER_INSTANCE_UID` | `guid` | Provider Instance UID | ☑ | Unique ID of the provider instance. | | `PROVIDER_NAME` | `varchar2`(240) | Provider Name | ☑ | Name of the provider. | | `PROVIDER_SHORT_NAME` | `varchar2`(240) | Provider Short Name | ☑ | Provider short name. | | `REGISTRATION_DATE_UTC` | `datetime` | Registration Date | | Date at which the message was registered (UTC). | | `SOURCE_NAME` | `varchar2` | Source Name | | Name of the source. | | `TYPE` | `varchar2`(30) | Type | | Message type. |