# AGRPortfolioUpdate The AGRPortfolioUpdate is used by the AGR to indicate on which Connections it represents prosumers. ``` /> ``` | | | |-----------------|------------------------------------------------------------------------------------------------| | Metadata | The metadata for this message. For details, see [metadata attributes](metadata-attributes.md). | | Connection | | | ⇥ EntityAddress | EntityAddress of the Connection entity being updated. | | ⇥ StartPeriod | The first Period hat the AGR represents the prosumer at this Connection. | | ⇥ EndPeriod | The last Period that the AGR represents the prosumer at this Connection, if applicable. |