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Optional controlThe data attached to the event that can be used by the decider in subsequent decision tasks.
Optional inputThe input data to be provided with the signal. The target workflow execution uses the signal name and input data to process the signal.
Optional runThe runId of the workflow execution to be signaled.
The name of the signal.The target workflow execution uses the signal name and input to process the signal.
The workflowId of the workflow execution to be signaled.
Provides the details of the
SignalExternalWorkflowExecutiondecision.Access Control
You can use IAM policies to control this decision's access to Amazon SWF resources as follows:
Use a
Resourceelement with the domain name to limit the action to only specified domains.Use an
Actionelement to allow or deny permission to call this action.You cannot use an IAM policy to constrain this action's parameters.
If the caller doesn't have sufficient permissions to invoke the action, or the parameter values fall outside the specified constraints, the action fails. The associated event attribute's
causeparameter is set toOPERATION_NOT_PERMITTED. For details and example IAM policies, see Using IAM to Manage Access to Amazon SWF Workflows in the Amazon SWF Developer Guide.