X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=docs%2Fcross-chain.md;h=74b9167543483d786fc255531e1fe2c6a48870e3;hb=96a8fabcd5b60d7aa93552bdb92897d94a6ee203;hp=d970f209ee91aebc41bde0da3a427c163bd92652;hpb=55ad7001a67ae4fa6587703446999f4cc3096e92;p=bytom%2Fvapor.git

diff --git a/docs/cross-chain.md b/docs/cross-chain.md
index d970f209..74b91675 100644
--- a/docs/cross-chain.md
+++ b/docs/cross-chain.md
@@ -23,6 +23,7 @@ To build a mainchain-to-sidechain transaction, `build-transaction` is called by
     - `String`- *type*, type of transaction, valid types: 'cross_chain_in', 'control_address', 'control_program'.
     - `String` - *address*, (type is control_address) address of receiver, the style of address is P2PKH or P2SH.
     - `String` - *control_program*, (type is control_program) control program of receiver.
+    - `Integer` - *vm_version*, (type is cross_chain_in) asset vm_version.
     - `String` - *issuance_program*, (type is cross_chain_in) asset issuance_program hexdecimal string.
     - `String` - *raw_definition_byte*, (type is cross_chain_in) asset raw_definition_byte hexdecimal string.
     - `String` - *source_id*, (type is cross_chain_in) mainchain output mux id.