In reply to megamind:
If you are starting a sequence from a virtual sequencer, the flow is similar:
axi_rseq = axi_base_seq::type_id::create("axi_rseq");
axi_rseq.s_kind == axi_type_pkg::READ;
axi_rseq.s_id = axi_wseq.id;
...
axi_rseq.start(axi_seqr);