Toggle Menu
Prev Up Next

# `langchain_core.runnables.graph`.Edge

class langchain_core.runnables.graph.Edge(source: str, target: str, data: Optional[str] = None, conditional: bool = False)

  Edge in a graph.

  Create new instance of Edge(source, target, data, conditional)

  Attributes

  `conditional` | Alias for field number 3
  `data` | Alias for field number 2
  `source` | Alias for field number 0
  `target` | Alias for field number 1

  Methods

  `__init__`() |
  `count`(value, /) | Return number of occurrences of value.
  `index`(value[, start, stop]) | Return first index of value.

  Parameters

    - source (str) –

    - target (str) –

    - data (Optional[str]) –

    - conditional (bool) –

  __init__()
  count(value, /)

    Return number of occurrences of value.

  index(value, start=0, stop=9223372036854775807, /)

    Return first index of value.

    Raises ValueError if the value is not present.