If the name of the node is 'ND_TASK_R' then below code can be used:
Please replace 'ND_TASK_R' with the name of your node and then test.
DATA LO_ND_ND_TASK_R TYPE REF TO IF_WD_CONTEXT_NODE.
DATA LO_EL_ND_TASK_R TYPE REF TO IF_WD_CONTEXT_ELEMENT.
DATA LS_ND_TASK_R TYPE WD_THIS->ELEMENT_ND_TASK_R.
LO_EL_ND_TASK_R = WDEVENT->GET_CONTEXT_ELEMENT( 'CONTEXT_ELEMENT').
LO_ND_ND_TASK_R = LO_EL_ND_TASK_R->GET_NODE( ).
LO_EL_ND_TASK_R->GET_STATIC_ATTRIBUTES(
IMPORTING
STATIC_ATTRIBUTES = LS_ND_TASK_R ).