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A Block to call node - is used to call or activate a Call block (go to Block for more information). You can place a Block to call node anywhere within the survey. When the respondent works their way through the survey and reaches the node, the node diverts the routing to the specified Call block and the questions within that block are presented to the respondent. Once the respondent has answered the questions in the selected block, he/she is returned to the survey, to the point at which they left it to process the block, and can then continue with the survey.
Figure 1 - The Block to call node
Click the down-arrow button to open a drop-down list of the blocks that are available in the Call blocks pane, and select the block you wish to call.
You can add as many Block to call nodes as you wish to a survey. These nodes can refer to any Call block, and can specify the same Call block more than once.
Note: Loop reference variables are not supported in callblocks.