# Save and Discard ![](https://1449034948-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-L_NpOsk0sjotPXNy29Q%2Fuploads%2Fosfh45vhmCfrNLV562bm%2Ftransaction-commit-node.svg?alt=media\&token=1c43d63e-4124-42f1-ac33-f69db4264b4b) ### Save database changes When the save database changes node is reached, *all* changes to *all database lists that have not yet been saved*, are saved. This node has only 1 property, the Name. The value is set by WEM and cannot be changed by the user. The value is `Save all database list changes`. The save node has the following exits: * `Changes saved`\ Changes are successfully save to the database * `Error`\ To handle errors with a user friendly warning and continue if appropriate (note that when you do NOT connect the error exit, any error will be displayed with technically useful information during testing - and when you DO connect the error exit, you bypass the error information and are able to let the user-flow continue - errors will still be available in devops logs for kubernetes) ![](https://1449034948-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-L_NpOsk0sjotPXNy29Q%2Fuploads%2F3HFUy9YZ0PTTADodqW8x%2Ftransaction-rollback-node.svg?alt=media\&token=324375e1-8814-4239-aa5a-c00124f725ea) ### Discard database changes When the Discard database changes node is reached, *all* changes to *all database lists that have not yet been saved*, are discarded. This node has only 1 property, the Name. The value is set by WEM and cannot be changed by the user. The value is `Discard all database list changes` There is only 1 exit: `Changes discarded`. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.wem.io/platform/wemmodeler/flowcharts/save-and-discard.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.