> For the complete documentation index, see [llms.txt](https://docs.intentable.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.intentable.io/intent-structure/calls/call-params.md).

# Call Params

Call params holds the abi encoded params of a function call.

It can be EIP712 struct type or bytes type.

When using complex types, e.g. strings, arrays, bytes, etc. inside a struct type, types list must be sent with the EIP712 message in order for the FCT\_Engine to reconstruct the EIP712 message from a given encoded abi.