ee.ImageCollection.get

 // A contrived, empty image collection for simple demonstration. 
 var 
  
 col 
  
 = 
  
 ee 
 . 
 ImageCollection 
 ([]); 
 print 
 ( 
 'Collection without properties' 
 , 
  
 col 
 ); 
 // Set collection properties using a dictionary. 
 col 
  
 = 
  
 col 
 . 
 set 
 ({ 
  
 project_name 
 : 
  
 'biomass_tracking' 
 , 
  
 project_id 
 : 
  
 3 
 , 
  
 plot_ids 
 : 
  
 ee 
 . 
 Array 
 ([ 
 7 
 , 
  
 11 
 , 
  
 20 
 ]) 
 }); 
 // Set collection properties using a series of key-value pairs. 
 col 
  
 = 
  
 col 
 . 
 set 
 ( 
 'project_year' 
 , 
  
 2018 
 , 
  
 'rgb_vis' 
 , 
  
 'false_color' 
 ); 
 print 
 ( 
 'Collection with properties' 
 , 
  
 col 
 ); 
 // Get a dictionary of collection property keys and values. 
 print 
 ( 
 'Property keys and values (ee.Dictionary)' 
 , 
  
 col 
 . 
 toDictionary 
 ()); 
 // Get the value of a collection property. To use the result of 
 // ee.ImageCollection.get in further computation, you need to cast it to the 
 // appropriate class, for example, ee.Number(result) or ee.String(result). 
 print 
 ( 
 'Project ID (ambiguous object)' 
 , 
  
 col 
 . 
 get 
 ( 
 'project_id' 
 )); 
 // Get the value of a string collection property as an ee.String object. 
 print 
 ( 
 'Project name (ee.String)' 
 , 
  
 col 
 . 
 getString 
 ( 
 'project_name' 
 )); 
 // Get the value of a numeric collection property as an ee.Number object. 
 print 
 ( 
 'Project year (ee.Number)' 
 , 
  
 col 
 . 
 getNumber 
 ( 
 'project_year' 
 )); 
 // Get the value of an ee.Array collection property as an ee.Array object. 
 print 
 ( 
 'Plot IDs (ee.Array)' 
 , 
  
 col 
 . 
 getArray 
 ( 
 'plot_ids' 
 )); 

 from 
  
 pprint 
  
 import 
 pprint 
 # A contrived, empty image collection for simple demonstration. 
 col 
 = 
 ee 
 . 
 ImageCollection 
 ([]) 
 print 
 ( 
 'Collection without properties:' 
 ) 
 pprint 
 ( 
 col 
 . 
 getInfo 
 ()) 
 # Set collection properties using a dictionary. 
 col 
 = 
 col 
 . 
 set 
 ({ 
 'project_name' 
 : 
 'biomass_tracking' 
 , 
 'project_id' 
 : 
 3 
 , 
 'plot_ids' 
 : 
 ee 
 . 
 Array 
 ([ 
 7 
 , 
 11 
 , 
 20 
 ]) 
 }) 
 # Set collection properties using a series of key-value pairs. 
 col 
 = 
 col 
 . 
 set 
 ( 
 'project_year' 
 , 
 2018 
 , 
 'rgb_vis' 
 , 
 'false_color' 
 ) 
 print 
 ( 
 'Collection with properties:' 
 ) 
 pprint 
 ( 
 col 
 . 
 getInfo 
 ()) 
 # Get a dictionary of collection property keys and values. 
 print 
 ( 
 'Property keys and values (ee.Dictionary):' 
 ) 
 pprint 
 ( 
 col 
 . 
 toDictionary 
 () 
 . 
 getInfo 
 ()) 
 # Get the value of a collection property. To use the result of 
 # ee.ImageCollection.get in further computation, you need to cast it to the 
 # appropriate class, for example, ee.Number(result) or ee.String(result). 
 print 
 ( 
 'Project ID (ambiguous object):' 
 , 
 col 
 . 
 get 
 ( 
 'project_id' 
 ) 
 . 
 getInfo 
 ()) 
 # Get the value of a string collection property as an ee.String object. 
 print 
 ( 
 'Project name (ee.String):' 
 , 
 col 
 . 
 getString 
 ( 
 'project_name' 
 ) 
 . 
 getInfo 
 ()) 
 # Get the value of a numeric collection property as an ee.Number object. 
 print 
 ( 
 'Project year (ee.Number):' 
 , 
 col 
 . 
 getNumber 
 ( 
 'project_year' 
 ) 
 . 
 getInfo 
 ()) 
 # Get the value of an ee.Array collection property as an ee.Array object. 
 print 
 ( 
 'Plot IDs (ee.Array):' 
 , 
 col 
 . 
 getArray 
 ( 
 'plot_ids' 
 ) 
 . 
 getInfo 
 ())