docstr: Load a remote URL in an iframe.
  
  Parameters
  ----------
  src : str
      The URL of the page to embed.
  width : int
      The width of the frame in CSS pixels. Defaults to the app's
      default element width.
  height : int
      The height of the frame in CSS pixels. Defaults to 150.
  scrolling : bool
      If True, show a scrollbar when the content is larger than the iframe.
      Otherwise, do not show a scrollbar. Defaults to False.
docstr_tok: ["Load","a","remote","URL","in","an","iframe",".","Parameters","--","--","--","--","--","src",":","str","The","URL","of","the","page","to","embed",".","width",":","int","The","width","of","the","frame","in","CSS","pixels",".","Defaults","to","the","app's","default","element","width",".","height",":","int","The","height","of","the","frame","in","CSS","pixels",".","Defaults","to","150.","scrolling",":","bool","If","True",",","show","a","scrollbar","when","the","content","is","larger","than","the","iframe",".","Otherwise",",","do","not","show","a","scrollbar",".","Defaults","to","False","."]
code: def _iframe(
      self,
      src: str,
      width: Optional[int] = None,
      height: Optional[int] = None,
      scrolling: bool = False,
  ) -> "DeltaGenerator":
      """Load a remote URL in an iframe.
  
      Parameters
      ----------
      src : str
          The URL of the page to embed.
      width : int
          The width of the frame in CSS pixels. Defaults to the app's
          default element width.
      height : int
          The height of the frame in CSS pixels. Defaults to 150.
      scrolling : bool
          If True, show a scrollbar when the content is larger than the iframe.
          Otherwise, do not show a scrollbar. Defaults to False.
  
      """
      iframe_proto = IFrameProto()
      marshall(
          iframe_proto,
          src=src,
          width=width,
          height=height,
          scrolling=scrolling,
      )
      return self.dg._enqueue("iframe", iframe_proto)
  
file_path: streamlit/lib/streamlit/elements/iframe.py
imports: from typing import TYPE_CHECKING, Optional, cast
  from streamlit.proto.IFrame_pb2 import IFrame
  from streamlit.runtime.metrics_util import gather_metrics
label_desc: Use image node_id 1 for calling the IframeMixin obj's underlying member method code with example usage: obj._iframe(src, width, height, scrolling) and returns: self