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When initializing and invoking a flow, the sequence of calls is typically the following:
- Get the flow version identifier (and flow identifier for “name” references).
- Initialize the flow, passing in any initialization values and annotations.
- Invoke the flow and consume the response.
- If the response requires user interaction, write the page layout to the screen for the user (indicated by an invoke type of “FORWARD”).
- If the response is simply a status message for a background process, write the wait info to the screen (indicated by an invoke type of “WAIT”).
- In either case, the calling application should poll our “ping” API to check for any changes to the flow state (e.g. a background process has completed or another user has changed the view state or executed another step).
Check out the glossary for a definition of terms and key concepts that appear in the Boomi Flow website, Drawing Tool, technical documentation, blogs, and marketing communications.
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