# - createUniqueChild (pyTree) -
import Converter.Internal as Internal

node = Internal.createNode('myNode', 'DataArray_t', value=1.)
Internal.createUniqueChild(node, 'childName', 'DataArray_t', value=2.)
# Since childName node already exists. Only the value will be set.
Internal.createUniqueChild(node, 'childName', 'DataArray_t', value=3.); print(node) 
#>> ['myNode', array([ 1.]), [['childName', array([ 3.]), [], 'DataArray_t']], 'DataArray_t']