The submission rule is optional; you need it only if you want to submit just the data instance instead of the entire form.
提交规则是可选的;只有在希望提交数据实例而不是整个表单的情况下,才需要提交规则。
Next, you create the submission rule and Submit button to trigger the submission of the data instance to your processing application.
接下来,创建提交规则和Submit按钮,从而触发向进行处理的应用程序提交数据实例。
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