This file name is then subsequently used as a claim token by the sample application to check out the attachment.

然后样例应用程序将该文件名用作一个索取令牌，用于签出附件。

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Finally, when the caller needs to check out the attachment, it invokes the Claim check service with the token and the attachment is returned to the caller.

最后，当调用方需要签出附件时，它使用令牌调用Claim Check服务，附件返回调用方。

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Claimtoken: This element contains the claim token in the form of a string.

claimtoken：该元素包含字符串形式的索取令牌。

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