[Home](./index.md) > [bitburner](./bitburner.md) > [Bladeburner](./bitburner.bladeburner.md) > [getCityCommunities](./bitburner.bladeburner.getcitycommunities.md) ## Bladeburner.getCityCommunities() method You have to be employed in the Bladeburner division and be in BitNode-7 or have Source-File 7 in order to use this function. Returns the estimated number of Synthoid communities in the specified city, or -1 if an invalid city was specified. Signature: ```typescript getCityCommunities(name: City): number; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | name | [City](./bitburner.city.md) | | Returns: number Number of Synthoids communities in the specified city. ## Remarks 4 GB