https://community.esri.com/t5/data-management-ideas/create-attachments-prompt-for-global-ids/idi-p/924447 <P>I suspect that a lot of people are leveraging the simplicity of the Manage -&gt; Create Attachments function in ArcCatalog, especially for capturing pictures with Collector. &nbsp;The rule for using <STRONG><I>any&nbsp;</I></STRONG>related tables offline requires that the Primary Key for the relationship tables be the Global ID field. (<A href="http://server.arcgis.com/en/server/latest/publish-services/linux/prepare-data-for-offline-use.htm" target="_blank" rel="noopener">Prepare Data for Offline Use</A>) &nbsp;When using Create Attachments, if a Global ID field is present on the table already, the relationship class will default to using the Global IDs. &nbsp;If not, it uses OBJECTID, a no-no for offline use.<BR /><BR />My proposal is a warning prompt that mentions this rule before creating the relationship. &nbsp;Something akin to:<BR /><I>This table does not have a Global ID field, a requirement for offline data collection. &nbsp;Please add the Global ID field before continuing.</I></P><!-- content transformation source ID: 087E0000000fxYx --> Wed, 17 Aug 2022 04:18:41 GMT JasonBalmut 2022-08-17T04:18:41Z https://community.esri.com/t5/data-management-ideas/create-attachments-prompt-for-global-ids/idi-p/924447 <P>I suspect that a lot of people are leveraging the simplicity of the Manage -&gt; Create Attachments function in ArcCatalog, especially for capturing pictures with Collector. &nbsp;The rule for using <STRONG><I>any&nbsp;</I></STRONG>related tables offline requires that the Primary Key for the relationship tables be the Global ID field. (<A href="http://server.arcgis.com/en/server/latest/publish-services/linux/prepare-data-for-offline-use.htm" target="_blank" rel="noopener">Prepare Data for Offline Use</A>) &nbsp;When using Create Attachments, if a Global ID field is present on the table already, the relationship class will default to using the Global IDs. &nbsp;If not, it uses OBJECTID, a no-no for offline use.<BR /><BR />My proposal is a warning prompt that mentions this rule before creating the relationship. &nbsp;Something akin to:<BR /><I>This table does not have a Global ID field, a requirement for offline data collection. &nbsp;Please add the Global ID field before continuing.</I></P><!-- content transformation source ID: 087E0000000fxYx --> Wed, 17 Aug 2022 04:18:41 GMT https://community.esri.com/t5/data-management-ideas/create-attachments-prompt-for-global-ids/idi-p/924447 JasonBalmut 2022-08-17T04:18:41Z