Search for	Example	Results
A single word	`cat`	Topics that contain the word "cat". You will also find its grammatical variations, such as "cats".
A phrase. You can specify that the search results contain a specific phrase.	`"cat food"` (quotation marks)	Topics that contain the literal phrase "cat food" and all its grammatical variations. Without the quotation marks, the query is equivalent to specifying an OR operator, which finds topics with one of the individual words instead of the phrase.

Search for	Operator	Example
Two or more words in the same topic	`AND` `and` `+` (plus symbol) `&` (ampersand)	`cat AND dog` `"cat food"+milk` `"cat food"&"dog food"`
Either word in a topic	`OR` `or` `\|` (pipe)	`cat OR dog` `cat \| dog`
Topics that do not contain a specific word or phrase	`NOT` `not` `!` (exclamation point)	`NOT cat` `! dog`
Topics that contain one string and do not contain another	`^` (caret)	`cat ^ mouse`
A combination of search types	`( )` parentheses	`cat + (dog \| mouse)` `cat \| dog + (! mouse)`

Service Manager9.52

Integrate > Case Exchange framework > Enable Case Exchange with another system > Enable Case Exchange between two Service Manager systems > Connection mechanisms > The Pull mechanism

The Pull mechanism

In the Pull mechanism, one system actively pulls data from and sends appropriate data to the other system. The latter system does not need an integration instance.

In the following diagram, the Central IT (CIT) pulls data from and sends the updated data back to the Line of Business (LOB).

Note In the following diagrams, the arrows between the two systems represents the direction of the request, rather than the direction of the data flow.

The Pull mechanism has the following advantages and disadvantages.

Advantages	Disadvantages
Only one integration account is required. That is, an integration account in the LOB's system. You do not need to configure the Case Exchange logic in the LOB's system. The CIT's system manages all use cases for Case Exchange. Only the CIT's system needs configurations of field mapping and value mapping.	The LOB has very little control over the pulled data.

The following diagram shows the data flow of the Pull mechanism.

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