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For a node in a runtime pattern, we can change its name and description as well as specify actions, in exactly the same way as for a pattern. (See Changing Node and Action Information.) The extra features for runtime pattern nodes are links to configure the engine and resource details of the node (see engine details), as well as the ability to specify parameters for each action defined against it. Clicking the name of an action from the Node Viewer screen will show the runtime pattern Action Viewer screen which should look like that shown below. Example screen-shot of the XDE node viewer page for a runtime pattern node. As for pattern nodes, we can specify a name, description and content type for each action using the controls at the top of the page. The bottom part of the screen allows us to manipulate parameters. Each action will automatically have two parameters: request and response. These represent the XML that will be passed to and received from this action, and they cannot be deleted.
We can define any other parameters that may be needed, and manipulate them using the following functions:
We can create a new action by typing a name for it in the text box, and clicking on the New button. The only restriction on parameters is that each name must be unique. Parameters can be copied by selecting the existing parameter to copy with the radio buttons, typing the name for the new parameter in the text box, and then clicking on copy. Again, the new name given must be unique among all the parameters for this action. It is not possible to copy the request or response parameters. A parameter can be deleted by selecting the parameter to delete with the radio buttons, and clicking Delete. As mentioned above, the request or response parameters cannot be deleted.
To set the details for a parameter, click on its name in the list to go to the Parameter Viewer described in the next section.
Cloning a Pattern Setting Action Parameters