The GetAllTagTerms element specifies the input data for the GetAllTagTerms WSDL operation.

 <xs:element name="GetAllTagTerms" xmlns:xs="http://www.w3.org/2001/XMLSchema">
       <xs:element minOccurs="1" maxOccurs="1" name="maximumItemsToReturn" nillable="true" type="xs:int"/>

maximumItemsToReturn: An integer type that specifies the maximum number of items to return. This value MUST be greater than or equal to zero ("0") or null. When zero or null is passed, the protocol server MUST return a maximum of 1000 results.