Update Fields in a Feature Layer or Table in ArcGIS Online with the ArcGIS API for Python

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In this video you will learn how to *update fields in ArcGIS Online feature layers and tables using the ArcGIS API for Python.* We cover how to safely modify existing field definitions, including aliases, text lengths, and default values, using the update_definition() method.

📚 *In this video you will learn how to:*
▪️ Inspect existing field JSON for layers and tables
▪️ Update field aliases for cleaner, user-friendly schemas
▪️ Change text field lengths
▪️ Correctly set default values using full field definitions
▪️ Use the FeatureLayerManager update_definition() method

This tutorial is ideal for GIS administrators, ArcGIS Online power users, and Python developers who want precise control over feature service schemas and automated data management workflows.

00:00 Introduction
00:48 Get current fields definitions
01:40 Update fields for a Feature Layer and Table
05:34 Verifying results in ArcGIS Online
06:12 Updating Default Value

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Видео Update Fields in a Feature Layer or Table in ArcGIS Online with the ArcGIS API for Python канала Final Draft Mapping