Pad Sink pad_sink #if str($type) == "message" None;self.message_port_register_hier_in($label) #end if Label label out string Input Type type enum Complex complex size:gr.sizeof_gr_complex Float float size:gr.sizeof_float Int int size:gr.sizeof_int Short short size:gr.sizeof_short Byte byte size:gr.sizeof_char Message message size:0 Wildcard size:0 Vec Length vlen 1 int Optional optional False bool part Optional True Required False $vlen > 0 in $type $vlen The inputs of this block will become the outputs to this flow graph when it is instantiated as a hierarchical block. Pad sink will be ordered alphabetically by their ids. The first pad sink will have an index of 0.