erc-server-PART-functions

erc-server-PART-functions is a variable defined in `erc-backend.el'.
Its value is

(erc-autojoin-remove erc-server-PART)

• This variable may be risky if used as a file-local variable.

Documentation:
Hook called upon receiving a PART server response.
Each function is called with two arguments, the process associated
with the response and the parsed response. If the function returns
non-nil, stop processing the hook. Otherwise, continue.

See also `erc-server-PART'.