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Attachment Custom Function Examples

The following examples of using custom functions show the manipulation of attachments in copy operations of assign activities. For a detailed description of each function, see Custom Functions for Manipulating Attachments.

Example 1:

Copies the first attachment from the

incomingMessage

variable to the

resultMessage

variable. The return value of

copyAttachment

is copied to the unused

tempVar

<copy>
   <from>abx:copyAttachment
       ("incomingMessage",1,"resultMessage")
   </from>
   <to variable="tempVar"/>
</copy>

Example 2:

Removes the (N - 1) attachment; that is, removes the second-to-last attachment from the

resultMessage

variable, where N is the count of attachments on

resultMessage

.The return value of

removeAttachment

is copied to the unused

tempVar

<copy>
   <from>abx:removeAttachment("resultMessage",
     abx:getAttachmentCount("resultMessage") - 1 )
   </from>
   <to variable="tempVar"/>
</copy>

E
xample 3:

Copies the value of the Content-Transfer-Encoding
property of the first attachment to the

resultMessage

variable.

<copy>
   <from>abx:getAttachmentProperty("resultMessage" , 1 ,
       "Content-Transfer-Encoding")
   </from>
   <to part="propResult" variable="resultMessage"/>
</copy>

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