Home >Online Product Documentation >Table of Contents >Mapping ddtek:wscall Functions < Previous| Next > Mapping ddtek:wscall Functions In most typical XQuery mapping operations, you map source and target document nodes to function block ports, as shown in Figure 422. Figure 422. Mapping Typical Function Blocks in XQuery Mapper When use a ddtek:wscall function, however, you map source and target document nodes to schema nodes in the port information blocks, as shown in Figure 422. Figure 423. Mapping a ddtek:wscall Function Block < Previous| Next >