Returns a free/busy block of time.
<FreeBusyBlock> <ref="startDate"/> <ref="endDate"/> <ref="acceptLevel"/> <ref="subject"/> <ref="place"/> <from type="From"/>
Specifies the start of the block.
Specifies the end of the block.
Specifies the acceptLevel for the block of time. For example, is the user free, busy, etc.
Specifies the subject. The subject is available only if the user doing the Busy Search has proxy rights to the recipient in the Busy Search list.
Specifies the place in the FreeBusyBlock.
Specifies from recipient in the FreeBusyBlock.