OnSaveExternal
OnSaveExternal = (
data,savingParams?) =>Promise<DidSaveStatus>
Save callback shape the host supplies under the 'props' integration
strategy. The editor calls it with the current diagram payload and
expects a DidSaveStatus resolution.
Parameters
Section titled “Parameters”savingParams?
Section titled “savingParams?”Returns
Section titled “Returns”Promise<DidSaveStatus>