Main > Knowledge Base > 1C:Enterprise documentation > 1C:Enterprise User Manual > Appendix 1. Data composition system expression language > 1C:Enterprise documentation > 1C:Enterprise User Manual > Appendix 1. Data composition system expression language > 1C:Enterprise documentation > 1C:Enterprise User Manual > Appendix 1. Data composition system expression language
The data composition system expression language is intended for recording expressions used in several 1C:Enterprise system features. In particular, it is used in the data composition system for describing custom field expressions.
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