We can embed the flow in a Visualforce page and add the page as a tab on the app. For the user to actually run the flow, we require the following three conditions:
- The user must have either the Run Flows user permission or Force.com Flow User selected on their user record
- The user must have access to the Visualforce page in which the flow is embedded
- The flow must be active. Only flow creators can run inactive flows
We have seen the most basic use cases for flows. The flow designer can help us design very complex flows with multiple conditions. A few things need to be considered when designing a flow:
- It does not run a validation rule unless specified in the field's settings. If a field is marked as required while created, it won't be highlighted until the record is saved and throws an error.
- A flow interview is a running instance of a flow. When we distribute a flow, users interact with individual interviews of that flow.
- A flow can consist of multiple flow versions. Once we activate a flow, we can't make changes to it. We can, however, make the necessary changes to a new version of that flow and later activate the new version.
- We cannot delete an active flow; to delete a flow, we must first deactivate it. If the flow has an active interview (or is running), it cannot be deleted.
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