## DropIndexSum

`DropIndexSum` is an option of `FCFAConvert` and `FCPrepareFAAmp`. When set to `True`, `IndexSum` symbols in the FeynArts diagrams will be dropped. This option is set to `True` by default.

### See also

[Overview](Extra/FeynCalc.md), [FCFAConvert](FCFAConvert.md).

### Examples