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	1	+= Introduction =
	2	+
	3	+The Stack connector is designed to maintain a stack variable containing a list of input files for iterative processing using the 'Loop' connector.
	4	+
	5	+[[image:1721395923573-587.png]]
	6	+
	7	+
	8	+= Params =
	9	+
	10	+[[image:1725875276680-139.png]]
	11	+
	12	+The connector accepts 4 params :
	13	+
	14	+* Variable name : that will be referred to inside the [[Loop connector>>doc:iXPath V3.Connectors.Scenario.Loop.WebHome]]
	15	+* Append : a checkbox, If checked, the files will be added to the end of the stack. Otherwise, they will be prepended.
	16	+* Stack in variable : Select this option to stack the files into a variable. Otherwise, the files will not be added.
	17	+* Return variable : When selected, the files stacked into the variable will serve as the output file for the connector. If not, the input file will be used as the output.
	18	+
	19	+= Use =
	20	+
	21	+The 'Stack' must be combined with a 'Loop' connector to make it useful, depending on each use case.
	22	+
	23	+====== Example: ======
	24	+
	25	+[[image:1721397744988-575.png]]
	26	+
	27	+
	28	+we set a variable named 'var', and put the loaded files from 'LoadFile2' as value.
	29	+
	30	+[[image:1721397807760-234.png]]
	31	+
	32	+
	33	+then, we retrieve this variable using the 'Loop' connector, and iterate over the set, and make a limit of iterations as 20.
	34	+
	35	+
	36	+[[image:1721397783048-170.png]]
	37	+
	38	+
	39	+inside every iteration we add a new file coming from the 'XMLToXML1'. and we chose to append ie add files at the end of the array.
	40	+
	41	+[[image:1721397954578-243.png]]
	42	+\\
	43	+
	44	+an example of session :
	45	+
	46	+[[image:2024-07-19_15h08_49.png]]

1725875276680-139.png

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	1	+XWiki.omoustaghfir

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