## Uses of Interface
org.apache.ignite.spi.discovery.DiscoverySpiCustomMessage

- Packages that use DiscoverySpiCustomMessage
  Package | Description
  --- | ---
  org.apache.ignite.spi.discovery | Contains APIs for topology manager SPI.
  org.apache.ignite.spi.discovery.isolated | Contains implementation of special "isolated" mode for single-node cluster.
  org.apache.ignite.spi.discovery.tcp | Contains default TCP/IP implementation for discovery SPI.
  org.apache.ignite.spi.discovery.zk | Contains Zookeeper Discovery Spi classes and interfaces.

- - ### Uses of DiscoverySpiCustomMessage in org.apache.ignite.spi.discovery

    Methods in org.apache.ignite.spi.discovery that return DiscoverySpiCustomMessage
    Modifier and Type | Method | Description
    --- | --- | ---
    `@Nullable DiscoverySpiCustomMessage` | DiscoverySpiCustomMessage.`ackMessage()` | Called when custom message has been handled by all nodes.
    `DiscoverySpiCustomMessage` | DiscoveryNotification.`getCustomMsgData()` |

    Methods in org.apache.ignite.spi.discovery with parameters of type DiscoverySpiCustomMessage
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | DiscoverySpi.`sendCustomEvent​(DiscoverySpiCustomMessage msg)` | Sends custom message across the ring.

    Constructors in org.apache.ignite.spi.discovery with parameters of type DiscoverySpiCustomMessage
    Constructor | Description
    --- | ---
    `DiscoveryNotification​(int eventType, long topVer, ClusterNode node, Collection<ClusterNode> topSnapshot, @Nullable NavigableMap<Long,​Collection<ClusterNode>> topHist, @Nullable DiscoverySpiCustomMessage customMsgData, org.apache.ignite.internal.processors.tracing.messages.SpanContainer spanContainer)` |

  - ### Uses of DiscoverySpiCustomMessage in org.apache.ignite.spi.discovery.isolated

    Methods in org.apache.ignite.spi.discovery.isolated with parameters of type DiscoverySpiCustomMessage
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | IsolatedDiscoverySpi.`sendCustomEvent​(DiscoverySpiCustomMessage msg)` | Sends custom message across the ring.

  - ### Uses of DiscoverySpiCustomMessage in org.apache.ignite.spi.discovery.tcp

    Methods in org.apache.ignite.spi.discovery.tcp with parameters of type DiscoverySpiCustomMessage
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | TcpDiscoverySpi.`sendCustomEvent​(DiscoverySpiCustomMessage msg)` | Sends custom message across the ring.

  - ### Uses of DiscoverySpiCustomMessage in org.apache.ignite.spi.discovery.zk

    Methods in org.apache.ignite.spi.discovery.zk with parameters of type DiscoverySpiCustomMessage
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | ZookeeperDiscoverySpi.`sendCustomEvent​(DiscoverySpiCustomMessage msg)` | Sends custom message across the ring.