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# `langchain_community.callbacks.streamlit.mutable_expander`.ChildRecord

class langchain_community.callbacks.streamlit.mutable_expander.ChildRecord(type: ChildType, kwargs: Dict[str, Any], dg: DeltaGenerator)

  Child record as a NamedTuple.

  Create new instance of ChildRecord(type, kwargs, dg)

  Attributes

  `dg` | Alias for field number 2
  `kwargs` | Alias for field number 1
  `type` | Alias for field number 0

  Methods

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

  Parameters

    - type (ChildType) –

    - kwargs (Dict[str, Any]) –

    - dg (DeltaGenerator) –

  __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.