Get queryplan for a function

SELECT
  PlanCreated       = qs.creation_time,
  ObjectName        = object_name(st.objectid),
  QueryPlan         = CAST(qp.query_plan AS xml),
  QueryText         = SUBSTRING(st.text, 1 + (qs.statement_start_offset / 2), 1 + ((isnull(NULLIF(qs.statement_end_offset, -1), datalength(st.text)) - qs.statement_start_offset) / 2))
FROM sys.dm_exec_query_stats AS qs
  CROSS apply sys.dm_exec_sql_text(qs.sql_handle) AS st
  CROSS apply sys.dm_exec_text_query_plan(qs.plan_handle, qs.statement_start_offset, qs.statement_end_offset) AS qp
WHERE object_name(st.objectid) = 'FunctionName'