# Module cpg_callbacks

- Description
- Function Index
- Function Details

### CPG Callback Handling.

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Copyright © 2014-2018 Michael Truog

Version: 1.7.5 Nov 26 2020 15:22:42 ------------------------------------------------------------------------

Authors: Michael Truog (`mjtruog at protonmail dot com`).

## Description

### CPG Callback Handling.

## Function Index

add_join/3 |
add_leave/3 |
notify_join/4 |
notify_join/5 |
notify_leave/4 |
notify_leave/5 |
remove_join/3 |
remove_leave/3 |
stop_link/2 |

## Function Details

### add_join/3

`add_join(Pid, GroupName, F) -> any()`

### add_leave/3

`add_leave(Pid, GroupName, F) -> any()`

### notify_join/4

`notify_join(Pid, GroupName, GroupPid, Reason) -> any()`

### notify_join/5

`notify_join(Pid, GroupName, GroupPid, Reason, I) -> any()`

### notify_leave/4

`notify_leave(Pid, GroupName, GroupPid, Reason) -> any()`

### notify_leave/5

`notify_leave(Pid, GroupName, GroupPid, Reason, I) -> any()`

### remove_join/3

`remove_join(Pid, GroupName, F) -> any()`

### remove_leave/3

`remove_leave(Pid, GroupName, F) -> any()`

### stop_link/2

`stop_link(Pid, Reason) -> any()`

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